Learned the loaning lesson the hard way.
About a year and a half ago, I finished pretty high in a poker tourney in Vegas. Took home close to $15k. I made the mistake of telling a good friend of mine about it...this is a guy I'd known for 20 years at least. His family has been friends with my family. A few days after I get home from Vegas, I get a phone call from him practically sobbing...his car was repo'd after he had lost his job a few months earlier, blah blah. I knew he was going through some really hard times. including a divorce. He's a good guy (or at least I thought so), and I knew he wouldn't ask me for money unless it was an absolute last resort. So, fine...I lend him $4k.
Fast forward to today...I still haven't seen a fucking penny of this come back my way. Not only that, but I know for a fact via facebook updates he's gone on vacations (but my aunt paid for those, not me! is his response). It's gotten to the point where I've even contacted an attorney, but being out of state...it complicates things. Even if I won in small claims court, that's ony half the battle. Collection still isn't assured.
Really pisses me off when someone else takes advantage of a person willing to help you out of a major jam. If it wasn't for me, this fucking guy would probably have been living out of his car. One time in high school, I borrowed $5 from a guy for lunch. I told my dad about it, and he made me drive the $5 over to the guy's house that same night. Waiting until the next day wasn't an option. Why the hell can't more people honor debts like that?