Context: Gilles Deleuze moved away from the idea that we are born with a permanent "essence," suggesting that what we call "identity" is actually just a by-product of movement and change. He argues that categorisation is often a restrictive trap, whereas the reality of life is a fluid state of becoming that refuses to stay inside neat boxes. An individual isn't a quantifiable definable thing, but a collection of shifting connections that are constantly reconfiguring into something new.
Swapping drills because your boss says “this is a better one” and swapping it again a few days later is not character growth, it is micromanaging looking for something to do.
And labels never accurately reflect a person. We should strive to stop simplifying ourselves and accept the complexity of personhood. All we have done by trying to label people is cause harm and misunderstanding.