Excuse my language but I'm pissed

So 2 days ago, we found out we miscarried. Yesterday my SO wanted to go tubing with some friends to get his mind off of it for a little bit. When they got to the starting point, he just started crying and changed his mind. His friend was like "what's the problem?" and he said he had a lot of stuff on his mind. Well a few minutes later, he called me to pick him up and one of his friends' wife was like "aww don't run away and be a pussy" and he told her she had no idea what's going on and she said "you're just being a cry baby because you don't want to be away from your girlfriend". Well this set him off and he responded with "you're damn right because we're dealing with something right now" and he started to cry a little more and walked away and she yelled out "cry baby" and he blew up and was like "bitch you would be crying too if you lost your fucking baby yesterday". She shut up real quick. Am I a bad person for wanting to beat the shit out of her?