Anger grows when nothing further has happened

"If you give hurt and anger time, they will grow, even though nothing further has happened."  - Paul David Tripp

This is the reason we need to step into those sometimes awkward discussions to clear up misunderstandings or simply to get on the same page vs. avoiding and presuming we know the other person's motive.

Having the right set of skills can help you have these discussions without an onslaught of emotion.