Guy can’t finish??

So recently I’ve experienced something for the first time which is the guy I’ve been having sex with doesn’t cum..... We’ve had sex a few times now and he’s never finished. This last time we did it for 2 hours!! We get in different positions, I give him head, I be putting in WORK trying to get him there because I genuinely want him to you know. I’ve always had sex where the man finishes so this is just new and lil weird for me 😭 I know it’s nothing wrong with me and my kitty personally but does this happen to a lot of guys? He said it’s just how he is and he practically never cums. Called it a “blessing and a curse” lmao I’ve just never experienced this myself so I’d love to know if anyone else has or if this is a really common thing with men and I’m just now experiencing it. Part of me wonders is it still enjoyable for him even if he doesn’t get that ~magic ending~

someone please help me feel like this isn’t a crazy experience!!

Also want to add that he makes me orgasm multiple times since he can go literally forever, which is why I want to return the favor!! 😂