ad. 3: it's an ugly truth, but it makes sense. People often want friends which can provide something for them, even if it's pleasant company. What can a desperate person provide? What can a desperate friend do other kind of friend can't?
ad. 6: then I guess I'm really bad at making friends period. It has never worked for me.
ad. 6: then I guess I'm really bad at making friends period. It has never worked for me.