The noise and pain just got too much, so she decided to leave.
Selfish? No -- hurting. Couldn't see any way out, couldn't see any chance of things getting better, so she took what she thought was her only option.
Members of the pack can rely on each other for support. But when you're an outcast and not part of the in group, then all you can rely on is yourself.
I think that, yes, indeed, there are selfish actors in this tragedy. The deceased ain't one of them.
But I'm almost certain you'll disagree with this. Have a nice day.
Beanbag