yeah man i know exactly what your talking about, i had to do a bit of "spring cleaning" last year. dropped hints etc, bein polite about it but it wasnt 'sinkin in so i told em to fuck off until they got their own green. didnt see most of em again, but a few reformed and now we're better friends than before.
some ppl are weird, personally if someone is generous to me i dont feel right until ive returned the generosity, whilst others just dont give a fuck they just milk u like ur a fat dairy cow if u let em.
.,..sometimes u just gotta lay down the law....