You just can't stop the change. Much less decide how it will change. Hating different people and blaming them for your unhappiness won't solve the issue.

Think about it: 20 years ago you weren't a hateful person, that also changed. Why not get back to an older version of yourself? I'm sure at the time you thought things were amazing, there was already a bunch of frustrated middle aged men hating what you now love and miss.