"Brad Stewart" is a professional musician best known for his work with hard rock band Shinedown. However, he now plays in Amaru, Society Red, Fuel (band)/Fuel, and Burn Season

More Brad Stewart on Wikipedia.

So I told him I'd sell him a new wheel at cost, and I ordered it, but later he came in and said he'd gone elsewhere and came in only to tell me that. He was pretty belittling, and he had to tell me I was no good. Where it ended up, I asked him not to come back.

He had a personality switch. He went from being nice to being hot.

It was weird. He'd be calm, then all excited and then intense, really intense, and he wanted answers right now.