Do you not trust me? In Korean?
Do you not trust me? /Why don't you trust me?
Do you want to break up?

Korean Informal please and thank you.

Question

Do you not trust me? In Korean?
Do you not trust me? /Why don't you trust me? 
Do you want to break up?

Korean Informal please and thank you.

Answer

Do you not trust me? => 나를 못 믿어 [믿니]? / 나를 믿지 못하겠어?

Why don't you trust me? => 왜 나를 못 믿어 [믿니]? / 왜 나를 믿지 않아?

Do you want to break up? => 헤어지고 싶어 [싶니]? / 헤어지자는 거야?