The simple and most complex answer is love.

“Dammit All To Hell and Back Again!”

“A cop? You married a bloody cop?""I married a bloody criminal," Eve muttered, "…”

“He loves me.""You sound surprised.""Nobody ever did. Not like this. It's easy t…”

“I don't mind being a suspect when the corpse is a shit-for-brains fuckwit, but …”