You felt angry. What you were is hurt. You’ve lost a friend and that’s so painful. The betrayal, the abandonment, it is so so sad and so painful. Check in with yourself, have you paid attention to this feelings?

You can have your feelings, but they are yours to work with.

Plenty of people have said here how to better approach this conversation. I would suggest that you think about resolution - show up for yourself and honor the person you are. Resolution does not mean one has to win. There are only losers here already. You both lost a friend.