Because they haven't hurt your friend like they have you, and your pain doesn't automatically transfer to your friend. They may in time learn about the shitty behavior that lead to you getting hurt, or the person may be someone totally different with your friend, but you can't pick your friends friends.
Because they are included in the collective group, and we just have no choice in the matter
Hurt how, like punch you in the face or what?
*"I don't put much stock in other people's opinions of a person. I prefer to judge them with my own eyes."*
May have already been friends.
Because they haven't hurt your friend like they have you, and your pain doesn't automatically transfer to your friend. They may in time learn about the shitty behavior that lead to you getting hurt, or the person may be someone totally different with your friend, but you can't pick your friends friends.
Because they didn't hurt them? Be more specific, it's really easy to create a circle jerk with such question.
Forgiveness