The premise that one must be an expert in a singular field is interesting, as I have found being a jack of many can be just as useful. No less, it can be tough

The premise that one must be an expert in a singular field is interesting, as I have found being a jack of many can be just as useful. No less, it can be tough separating the WANT to be an expert, versus the NEED to. I can assure you you're not alone, our brains are just wired a certain way. There's silver lining in all things, if you try to dig a bit.