I have always thought myself very fortunate for stumbling into a broad industry where one's efforts become concrete. But I've had many conversations with people doing other work who are similarly moved by the fact that their work has a discrete result. An accountant told me how pleased she was when the books balanced (this was before ubiquitous computers). But recently a building labourer I was giving a lift to took pride in pointing out buildings he had worked on.

You can't be me, I'm taken