Do you have a group of car friends you wrench with?

Hell no. No one works on my car but me. That way if I make a error? I have no one to blame but myself. I don't trust my friends anyways.
Im a self-employed auto mechanic, that’s how i feel about repairing customers cars. My best friend always hangs out and helps, but sometimes wont listen. Causes me extra work, and i feel a greater sense of accomplishment when i do it myself. But i appreciate his help.