It was a jerkish thing for you to say, but it was their fault. They decided to do what they did, and now the survivors have to live with that.
Doesn't make you a bad person for declining, just a bit of a jerk for saying what you did at such a time and to their faces, seeing as they will have to live with the death of that friend.
Doesn't make you a bad person for declining, just a bit of a jerk for saying what you did at such a time and to their faces, seeing as they will have to live with the death of that friend.