Yes, some people have to be hands-on building the physical world or they will not be happy. And by unhappy, I mean constant nagging doubts of inferiority and us

Yes, some people have to be hands-on building the physical world or they will not be happy. And by unhappy, I mean constant nagging doubts of inferiority and uselessness. Eventually you are going to check out under those circumstances. I have felt guilty my whole life working white collar, but I'm useful and people need and want me, so I get by.