I don't know if - The three most helpful words in any relationship. You say it

The three most helpful words in any relationship. You say it like you're saving your life.

I don't know if I should break up with him. That's the most helpful words in any relationship.

I don't know if I should tell her I hate her. That's the most helpful words in any relationship.

I don't know if I should ask him out. That's the most helpful words in any relationship.