How to Be More Assertive at Work and Relationships: 5 Strategies to Try

Have you ever walked away from a conversation feeling a strange mix of exhaustion and quiet resentment because you said "yes" to a project you didn't have time for?

It's a common trap for high-achievers: you want to be helpful, so you agree to every last-minute request, only to end up feeling like a doormat later that night. This "resentment loop," the habit of staying quiet to keep the peace while your own well-being takes a hit, is a heavy burden on your mental health.

Learning how to be more assertive isn't about becoming an aggressive person. It's about reclaiming your self-worth and ensuring your voice is heard. At Headway, we've helped 55 million users navigate these challenges by turning complex psychology into clear, practical growth plans.

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How to be more assertive: A quick answer (TL;DR)

If you want a clear plan on how to be more assertive and confident in your daily life, follow these core principles of assertive communication:

• Master "I" statements: Instead of blaming others, speak from your own perspective. Use the formula: "I feel [emotion] when [behavior] happens because [reason]."

• The power of the pause: The next time someone puts you on the spot, don't answer immediately. Taking three seconds to breathe prevents you from giving a "reflexive yes."

• Check your body language: Stand tall, maintain steady eye contact, and keep your hands visible. This practice signals self-confidence to both yourself and the person you're speaking with.

• Seek mutual respect: Assertiveness is the middle ground. It's about being firm regarding your needs while remaining in a respectful manner.

By practicing these assertiveness skills in low-risk situations, like sending back a wrong order at a restaurant, you build the habit patterns needed for high-stakes conversations.

The psychology of why we stay quiet and are non-assertive

Most of us struggle with being non-assertive because we've been conditioned to believe that standing up for ourselves is synonymous with being "difficult" or rude. We fear that if we set boundaries, we'll be labeled as an aggressive person or lose the approval of our peers.

In reality, communication exists on a spectrum. On one end, you have the pushover, someone who lets others dictate their time and energy. On the other, you have aggressive behavior, which is about winning at the expense of others. Assertiveness is the healthy center.

It's a communication style rooted in self-awareness. When you lack assertiveness skills, you often fall into passive-aggressive patterns, where your needs come out sideways through sarcasm or withdrawal. Understanding this spectrum matters. It helps you realize that being assertive is actually the kindest thing you can do for your relationships because it replaces hidden resentment with clarity.

Strategy #1: Mastering "radical candor" (the Kim Scott approach)

If you've ever wondered how to be more assertive at work without sounding like a rude person, Kim Scott's 'Radical Candor' framework is worth knowing well. Scott, a former executive at Google and Apple, argues that the best leaders and coworkers are those who can "Challenge Directly" while also "Caring Personally."

Many people suffer from "Ruinous Empathy." They care so much about someone's feelings that they never give constructive feedback. But this thinking actually hurts professional growth in the long run. Being assertive in a professional setting means accepting that being clear is being kind.

When you use assertive communication at the office, you aren't attacking the person. You're addressing the work. This shift in communication style allows you to stay firm on standards while maintaining mutual respect.

Strategy #2: Handling crucial conversations (the Patterson and Grenny method)

It's one thing to be firm about a lunch order. It's another thing entirely when you're in a difficult situation with a partner or a boss. When the stakes are high and emotions start to rise, most people default to one of two modes: either go silent (the "peacekeeper") or escalate (the "verbal kind").

The key to how to be more assertive in communication during these moments is a concept called "Psychological Safety." According to the authors of 'Crucial Conversations,' people only become defensive when they feel under attack. To speak your truth without starting a conflict, you have to ensure the other person feels safe enough to actually hear you.

If you find your heart racing, try this: lead with your positive intent. In a romantic relationship, for example, you might say, "I'm mentioning this because I really value our time together and I want to make sure I'm not harboring any resentment." This time opens the door for mutual respect. When the other person feels safe, you can be honest without being hurtful. It takes the pressure off your insecurities and keeps the focus on solving the problem together.

Strategy #3: "No" is a complete sentence (the Boundary framework)

Sometimes saying "no" feels disrespectful. Many of us carry deep-seated insecurities that tell us that if we don't help everyone with everything, we aren't "good" people. This mindset is a classic symptom of low self-esteem. But as 'Boundaries' by Dr. Henry Cloud and Dr. John Townsend explains, saying no isn't an act of selfishness. It's an act of self-care.

When you say "yes" to a last-minute favor you don't have the energy for, you aren't being kind. You're being dishonest. You're trading your well-being for a fleeting moment of approval. To set boundaries effectively, you have to get comfortable with the temporary discomfort of someone else's disappointment.

Try this script for your next "no":

• "I appreciate you asking, but I don't have the capacity to take that on right now."

• "That sounds like a great project, but it doesn't align with my current priorities."

You don't need a three-paragraph apology. A boundary is just a line that shows where you end, and someone else begins. Learning how to be more assertive in this way protects your mental health and prevents you from burning out.

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Strategy #4: Body language and presence

You can have the perfect script, but if your body language says "I'm terrified," people will treat you like a pushover. Assertiveness is a physical experience as much as a mental one. Think about it: an aggressive person leans in and invades space, while a non-assertive person shrinks and avoids eye contact.

To be seen as one of those naturally assertive people, you have to practice "presence." Amy Cuddy's famous research on power posing suggests that taking up space physically can actually change your internal chemistry, boosting your self-confidence.

The assertive presence checklist:

1. Level head: Keep your chin up. Don't tilt it down in a submissive way.

2. Steady gaze: Hold eye contact for about 60–70% of the conversation.

3. Vocal delivery: Speak at the end of your exhale. This practice keeps your voice from getting shaky when you're nervous.

If this feels uncomfortable, try some role-playing with a friend or in front of a mirror. It might feel a bit silly at first, but it's a form of assertiveness training that works. Whether you're figuring out how to be more assertive as a man or how to be more assertive as a woman, your physical presence is the foundation that your words rest on.

Strategy #5: Handling conflict over email and messaging

Assertiveness gets even trickier over Slack, Email, or text. Without tone of voice or body language, a short message can seem cold, while a long one can seem passive-aggressive. That's where many of our insecurities go into overdrive. We spend 20 minutes rewriting a three-sentence email because we're afraid of looking like an aggressive person.

To master how to be more assertive in communication online, you have to cut the fluff. Stop using "qualifiers" that weaken your message.

• Instead of: "I just wanted to check in and see if maybe you had time to look at that doc?"

• Try: "Please let me know your thoughts on the document by 4 PM so I can finalize the draft."

Being direct isn't being rude. It's being efficient. When you stop "hedging" your language, you signal that you value your own time and the time of others. It's a low-risk way to start practicing your assertiveness skills every single day.

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At the end of the day, learning how to be more assertive isn't something you achieve and then stop doing. It's a muscle that needs a workout. Some days you'll feel steady and clear. Other days, you might feel like that old doormat again. That's okay. Growth isn't a straight line.

If your low self-esteem or insecurities feel too heavy to carry alone, don't hesitate to talk to a mental health professional. But for the daily practice, that's where the right reading comes in.

Assertiveness is a skill that lives in people who decide to keep learning. Whether you want to know how to be more assertive in a relationship or you're trying to move forward at work, the right knowledge helps. We invite you to join 55 million people who are building this skill through consistent, focused learning.

Your challenge: Spend the next 15 minutes listening to a summary like 'Boundaries' or 'Crucial Conversations' on the Headway app. See it as your personal assertiveness training.

📘 Ready to find your voice? Download the Headway app now and start your journey toward radical confidence and mutual respect.