it's not petty. you had your "moment of clarity" where you could clearly see what IS and also where this is headed, again. you've seen this movie, you've LIVED this movie and you know how it ends. he isn't going to "see the light" - in fact he's wearing black out sunglasses to assure he can't.
the ending of these things is never easy. but if you can take your focus of what you wish HE would do, and embrace what is best FOR YOU and follow that path, you WILL be ok.
and we're here for you!