I saw someone fall down the stairs and I ran away instead of helping them.
Why did you think it was okay to run away instead of stopping to help?
I knew it wasn't okay but I'm scared to help people when they might be injured.
I know that you're scared to see a situation like this, but you should provide assistance when people need it. This person could have been seriously injured and you could have called 911. It's important to step up and respond when someone is injured.
Damn my life is fucked up. I can't deal with this drama.
It's always best to try to help someone who may be hurt, or at least to call 911. If you were to fall and get hurt, you'd want others to do the same.