I disagree with the when to fight part, Sonny's downfall was his rash judgment which caused him to fly off the handle (at Carlo) instead of being careful and sending someone to get Carlo and bring him to Sonny.
"A rose by any other name ..."
"Generosity. That was my first mistake." "Experience must be our only guide; reason may mislead us." "Instagram is Twitter for people who can't read."
