Relationship Red Flags: 15 Warning Signs to Take Seriously

Last updated October 21, 2026 by the Marriage Bliss Editorial Team.

Relationship red flags are warning signs that a partner’s behavior is harmful, controlling or incompatible with a healthy, respectful relationship. The most serious are control, intimidation, constant lying, contempt, isolation from friends and family, and refusal to take responsibility. They matter at any stage, whether you’re dating, engaged or married, and they tend to get worse, not better, if ignored.

This guide lists 15 red flags, separates deal-breakers from problems that can be worked on, explains why we ignore warning signs, and shows what to do when you notice one. It’s general information, not professional advice.

At a glance

• Serious red flags: control, threats, violence, isolation, financial control, contempt, repeated lying.
• Worth working on: poor communication, avoidance, different values, unresolved habits, if both are willing.
• The test: how do you feel after being with this person, and how are you treated when you disagree?
• Safety: if you’re afraid, get advice from a domestic violence advocate.

Is this normal?

It’s normal to have doubts, and normal to find red flags confusing. Healthy couples still annoy each other, argue and make mistakes. A red flag isn’t a single bad day. It’s a pattern that harms you, or reflects a lack of respect, honesty or safety. If you’re wondering whether what you’re experiencing is a red flag, that doubt itself is worth listening to.

15 relationship red flags

1. Controlling behavior. Deciding what you wear, who you see, where you go, or monitoring your phone and whereabouts.
2. Isolation. Discouraging or punishing time with friends and family.
3. Threats or intimidation. Yelling, smashing things, threatening to leave, hurt you or themselves to control you.
4. Physical aggression of any kind. Pushing, grabbing, blocking or hitting.
5. Constant lying, including small lies and cover-ups. See lying in marriage.
6. Contempt. Mocking, name-calling, eye-rolling and humiliation, especially in front of others.
7. Blame-shifting. Never apologizing, and making everything your fault.
8. Gaslighting. Denying things that happened, or making you doubt your memory or sanity. See manipulation in relationships.
9. Extreme jealousy and possessiveness. Accusing you without cause, and punishing you for normal interactions.
10. Financial control. Controlling all money, hiding finances or preventing you from working. See financial infidelity.
11. Disrespect for boundaries. Ignoring “no” in conversation, sex or privacy.
12. Pressure and guilt-tripping to get their way.
13. Love-bombing followed by withdrawal. Intense affection early on, then hot and cold behavior.
14. Unwillingness to talk about problems. Stonewalling, silent treatment or walking out. See the silent treatment in marriage.
15. You feel afraid, small or constantly on edge. How you feel around them matters.

Red flags vs. issues you can work on

Usually serious (safety and respect): violence, threats, control, isolation, financial abuse, repeated deception, contempt. These aren’t communication problems; they’re patterns of harm. Couples counseling is often not appropriate when abuse is present.

Often workable, with willingness: different communication styles, conflict avoidance, an unequal load at home (see the mental load), differing spending habits, in-law tension, and mismatched desire. They can strain a relationship, but both people can learn to handle them.

Why we ignore red flags

• Hope. We believe they’ll change, or that love will fix it.
• Excuses. “He’s stressed,” “She had a hard childhood.”
• Investment. We’ve spent years and don’t want to lose them.
• Gradual escalation. Small things become normal before you notice.
• Isolation. With fewer outside voices, it’s harder to see clearly.
• Fear. Of the person’s reaction, of being alone, or of starting over.
• Cultural or family expectations.

His side, her side

The person noticing red flags: “Something feels off, and I’m not sure if I’m overreacting. I feel confused and sometimes scared.”

The partner who is called out: may feel defensive, misunderstood or accused. In a healthy relationship, they’ll listen and change. In an unhealthy one, they’ll deny, blame or punish.

What to do if you notice a red flag

1. Name it, privately. Write down what happened, how it made you feel and whether it’s a pattern.
2. Talk to someone you trust. An outside view can help.
3. Raise it calmly, if it’s safe to do so. “When you did X, I felt Y. I need Z.” Watch how they respond: with listening and change, or with defensiveness and retaliation?
4. Set a boundary, and see whether it’s respected. See boundaries in marriage.
5. Consider counseling, if the issue is workable and you’re safe. See our marriage counselor guide.
6. Make a safety plan if you’re afraid. Talk to an advocate before taking action.
7. Trust your own judgment. You don’t need to prove it to anyone else.

What to say (and what not to say)

Try:

• “When you [behavior], I feel [feeling]. I need [specific change].”
• “I’m not okay with being spoken to that way.”
• “I need space to think about this.”

Avoid:

• Raising it in the middle of a fight or in front of others.
• Threatening to leave if you won’t follow through.
• Minimizing it to yourself: “It’s not that bad.”

If you’re already married

Red flags can show up or grow after the wedding. If you see them in your own marriage, our guides to emotional abuse in marriage, signs your marriage is in trouble and things that quietly end a marriage may help. If you’re engaged or newly married, see things to discuss before marriage.

When it’s a bigger problem

Seek help right away if:

• You are afraid of your partner, or they have hurt or threatened you, your children or pets. Contact the National Domestic Violence Hotline at 1-800-799-7233, text START to 88788, or chat at thehotline.org (24/7, free, confidential). Call 911 in an emergency. If someone may monitor your devices, use a safer phone or computer.
• You feel hopeless or are thinking about hurting yourself. Call or text 988.
• You feel trapped by finances, immigration or children. Advocates can help with planning.

This article is general information, not professional or legal advice.

For patterns that wear you down over time, see signs of a toxic relationship.

Want more on this topic? See our guide to marriages in trouble.

Frequently asked questions

What are the biggest relationship red flags?

Control, isolation, threats or violence, constant lying, contempt, financial control and refusal to take responsibility are among the most serious.

Can red flags be fixed?

Some issues, like poor communication, can improve if both people are willing. Abuse and control are patterns of harm, and usually require professional help and, often, separation for safety.

How do I know if it’s a red flag or a normal problem?

Ask whether it involves disrespect, fear, control or deception, whether it’s a pattern, and how your partner responds when you raise it. If you feel unsafe, trust that and seek advice.