^No, you're right on target.

Or, when I'm doing something healthy and functional, I tend to think THAT is the fake part of me, and I'm putting on airs, and the real me is incompetent. Who am I trying to kid, thinking I'm as good as anyone else?

Which in a way ties to the original subject. I recall in high school, when I lived with my grandparents, my umbrella blew apart in a strong wind. I threw it away. A replacement would have cost maybe $5, which even in the 1980's wasn't a whole lot for a working-class family. The next day I found it on my bed, after my grandmother had pieced it together with black electrical tape. As if I was really going to carry that to school! It looked hideous! And the sentiment would be, if I had given voice to my reluctance, "What, are you too good to have your things repaired, and maybe look a little bit ugly? You have to have them replaced brand new and pretty? You're some kind of princess or something?"

Similar thinking: "So what if your socks don't match? They keep your feet warm, and that's what socks are for. Here, I bought you this coat from the thrift store. I know it doesn't quite fit you, and it won't button across the chest, but it's better than freezing to death. What, are you too good for a second-hand coat?" Understand that my grandparents could afford new socks, or a coat that fit me, but they were making a statement. I guess they wanted to teach me I wasn't "too good," and if anyone laughed at me because I was wearing mismatched socks and an ill-fitting coat, "Never mind what others think." I also heard their gossip about others. When a friend wanted to buy a new mattress and absolutely would not buy one used (you never know who or what might have peed on a used mattress; I understand) there were snide under-the-breath grumblings of "She's too good to buy a used mattress." It can be the same for someone who won't buy generics or cheap knockoffs, but insists on buying higher quality even if it is more expensive. "She's too good to buy generics."

Just plain envy, maybe? But then when a person is extremely shy and doesn't want to go out around people, we make the same assumption: "She thinks she's too good."