Many moons ago I wired a friend's house for him and before he got it done he had a serious "Family Emergency" that bankrupted him and created all sorts of issues in every conceivable venue...
I told him repeatedly to forget what he owed me, I understood his situation and would do anything I could to help him.
Moons later he called and invited me to a steak barbecue at his place. There, he gave me a check for what he owed, plus a chunk more. He said I was the only one that gave him space and so I was the only one to get paid in full.
It was a great object lesson in understanding how bad someone else's problem might be...
