Sometimes, all it takes is one red flag for a relationship to go kaput immediately.

Note:Responses have been edited for length and clarity.

“Deliberate ignorance.”

Two people having a heated conversation on a couch

It will automatically alter my view of a person for the worse."

Serena Fischer

3.

“Extreme outbursts of anger.

Woman gesturing no to food on table, looking away with thoughtful expression

I wish I would’ve taken them more seriously in my last relationship.”

justchillman

4.

“Being rude to servers/store clerks/service folks.”

Man surprising a woman with a heart-shaped gift box, both smiling in a cozy indoor setting

Like I’m done.

It’s not funny, never really was, and it’s too real these days.

catsarefriendshaped

6.

Woman looks upset in the foreground with a man sitting on a bed in the background, both indoors

“Allowing their friends to disrespect you or your home.”

AvalonAngel

7.

Just apologize, own up, and grow!"

Woman appears upset in foreground, man in background gesturing in mid-conversation. Both seated indoors

analeehope

9.

“Overbearing parents who boundary-stomp and get away with it, always.”

“People who break their promises.

People who will not do their fair share of the physical and mental labor of maintaining a household.

People who lie, cheat, are verbally and physically abusive.

Addicts, be it pain pills, video games, or food.

Laziness and lack of accountability.

Plus, childish people who put their wants over their kids' needs.”

“Lying about small things.

It ALWAYS means theyre lying about big things too.”

Xoxo

12.

“Having a drinking problem.

Cole

13.

“A friend or partner that’s in competition with you.

It’s like the kind where they constantly attempt to one-up you in ANYTHING, especially in vulnerable/emotional conversations.

It gets REALLY weird, really fast.”

“Trying to control your friends.

I dumped a guy who tried to control who I hung out with.”

fenknight

15.

Weaponized incompetence is also an instant NO from me.

I’m not dealing with any of that.”

machina

16.

“Definitely being a Republican is one.

I’m sure there are decent ones out there, but they are becoming few and far between.

It’s safer just to stay away.”

JuveBuffon

17.

And finally, “CONSTANTLY talking about the ex or exes.

Because I’m over it.”