What's one habit in someone that will turn you off instantly?

Smoking!

Smokers want to smoke everywhere and for everything.

Weather is nice, let's smoke. Boss shouted at you, let's smoke. You're happy, let's smoke. You're sad, let's smoke.

Smoking/Drinking/Drugs

Their fkd up attention span.

Not paying attention to what I say

Doubting me , repeatedly

Gaali galoch