Person 1: You need to do (x) right now! I can't explain why!
Person 2: No way am I trusting you! You're the person who lied to me/manipulated me/shot me/tortured me/drowned me/drugged me/tricked me/assaulted me/kidnapped me/led me into an ambush/stole my stuff/stole my child/locked me in a polar bear cage/locked me in a shark tank/murdered someone I loved/murdered me.
Person 1: It's really, really, important that you do (x).
Person 2: Okay, (x) it is!