I was showing signs of fatigue yet kept trying to help people, digging myself out of a hole. This helping ended up putting me in a cul-de-sac, where I hurt someone I was trying to help.
He hasn't liked me since, and we've had a few little snide comments at each other from this day for a few years. I deserved everything I got, mind. He was happy in a little fantasy world with an internet girlfriend half a world away. It was never going to work, but I was the one who burst this particular bubble with my "help".