they are being taken as opportunities to devalue me to address his insecurity. I had no problem taking a hit for a while, but this has been getting worse for at least a year and has gotten to the point that I have to choose to either stop tolerating it or let it affect my dignity. I’m barely allowed to exist anymore.

This guy sounds like a crap friend. Seriously, relationships are supposed to add to your life. There are times one person has to give a bit more than the other, but going on a year and the guy can’t even handle you having a good day? That’s not a friendship.