That's not true at all, they want to feel safe, but it's not a case of either they want to be dominated or they want to dominate, many are not into either of that and just want gentle and loving sex, and that doesn't mean boring sex.
Are the routes really that different from each other? I thought there would just be some small differences.
I thought keeping your points high on the cheating route would mean she doesn't do anything with other people and treats him well, as the sharing path would be all about her doing stuff with others, but no matter your points on the cheating route, she's an eternal slut who treats the one she supposedly loves like shit.
Also, are the Debbie path and the path of the Asian girl not possible on the same playthrough? The only way to flirt with her is rejecting Debbie.