Sure, and that makes some sense. Except people do have personality traits. If they're willing to cheat on their partners, they're a lot more likely to be willing to cheat on Jade if the circumstances warrant.
I get it's fantasy and all - and the fantasy is that Jade keeps them satisfied where their previous partners (mostly) weren't. And within that fantasy, they aren't going to wind up cheating on her. But still - if you want partners who won't cheat on you, you don't start with people who you know are willing to cheat in general.