I've been through a lot in my life but the things Susan has seen scared the hell out of me.
Susan's weak. Pathetic. She hasn't seen even half of what I've dealt with in my life. 
mnli hypothesis: Susan's weak. Pathetic. She hasn't seen even half of what I've dealt with in my life.  premise: I've been through a lot in my life but the things Susan has seen scared the hell out of me.