Personally, I think it was more so Benney's fault. He knew the photographer was hitting on him but instead of turning him down immediately, he accepted the guy's advances and slept with him. If Benney had turned him down and stayed loyal, then none of this would've happened.
Also, (this is just my opinionwhat I believe ofc but) I wanted to point out, if Benney truly loved Aaron and was loyal to him, he would've spoken about the matter to Aaron and come up with a compromise. eg. Donor, adoption, etc.
If Benney's first reaction was to divorce him instead of taking Aaron to talk it out with a doctor and see if anything could be done/fixed, it brings me to believe that Benney was just looking for an excuse to leave Aaron (be it subconsciously or consiously).
Anyways, that's what I think. You don't have to agree.
I agree with you 100% benney is a cheater and not loyal at all but for the photographer to know that they are married and middle in their relationship and break it is alone a fuckery and not have a relationship with one of them but both is fucked up and I think his doing it just for fun and sexual satisfaction
Benney is a heo for sure but way tow time them like pick one and leave the other don’t play with their feelings especially aron I think it’s his first time being uke and his not the player type so to sleep with him and his ex at the same time is not cool he needs someone loyal like him not someone the same as the heo before

To be honest the worst one is the photographer he seduce benney and suggested to make Aron take the blame drugged him and fucked him lied about not fucking him and fucking both of them at the same time and ruined their relationship and last wanted a threesome he’s the biggest hoe in this motherfucker