It's happened to me too. I've found a mechanic for my car who I trust, but if I ever have to go looking for a new one, I'll bring my brother along. It makes a difference.

A tale from the distant past: back in high school, every junior had to meet with a guidance counselor to talk about what would come after graduation. I almost always dressed very scruffy in those days, grunge about 5 years before it became popular. So I walked into her office wearing ratty jeans and flannel, and she was treating me like dirt. Then she actually opened my file, saw that I was in the running to be valedictorian, and her attitude completely changed...