Isn't it like that with finding bugs?

Yes, it's very unpleasant, but unpleasantness is one of the better fuels for motivation and motivation fuels things getting done.

If we want to get things done, we should inject this kind of unpleasantness into the process as frequently as we can stand.

IME quality emerges more naturally from quantity than anywhere else. At least in part it's due to more contact with this unpleasantness.