AITAH for ending a friendship over this?

I've had a friend for a while and he just turned 28 less than a month ago. I recently found out he entered a relationship with a 22 year old and I got disgusted as that is ethically a child to someone pushing 30. I first called him out and sent this:

" Why are you 28 dating a girl whos 22. What the f** do you have in common with a 22 year old? I’ve never been more pissed in my f*** life. You are closer to 30 with ME and you’re dating someone who’s hasn’t touched 20. What the f*** is wrong with you? 22 year olds have nothing in common with people our age and you know that. Don’t contact me on my side account, don’t look for me on IG. I’m not having a conversation with you cause WHAT F**** IS THERE TO SAY. This friendship that I THOUGHT was good is over since you think this behavior is okay. You're weird and nasty"

I am grossed cuz he'll be 30 in 2 years and she won't even be mid 20s

AITAH tbh?