farting threshold

n. The point when two people in a relationship are comfortable farting in each others presence. This is when you know the relationship is on secure footing.

Alfredo: I've been fighting with my girlf lately I'm afraid we might break up soon!!
Antonio: Have you reached the farting threshold??!?
Alfedo: Well, yes
Antonio: Don't worry about it then! You guys aren't breaking up any time soon