Hi
I have a 3 yr old dashund who is really badly behaved he is mean to kids and is very possesive about my wife, he snaps and growls when he is in a bad mood and when he is really upset he urinates on the bed on purpose . What do I do please help.

First if he is not neutered get that done.Alpha Dog, Pack Leader, Dog Growling, Dog Bitting, Dog Snapping, Snappy Dog This link discusses you being in charge.