i once took in a roommate because he had nowhere else to live. he seemed like a nice guy and we got along at first. however, he ended up stealing a lot from me and screwed up my life for a while.
i hate when you help someone out and they take advantage of you. i could never do that to someone.
same here. it also sucks when people let you down. i once let this guy crash on my couch because he had lost his apartment, and it did not end up good at all.