It's time to have a honest conversation with your soon-to-be wife about satisfying her deep sexual needs. That porn has changed your viewpoint on monogamy. You and her both know she's way out of your league anyways. You don't need more pussy. She needs more dick. Whether she wants a steady third in the relationship or just a rotating series of one night stands, focus on her sexual needs first. Let this be an introduction to cuckold training in your relationship. I'll even give you a series of practice phrases and cuckold conversation starters that will build up your confidence to actually have this conversation with her. Just be real with yourself. It's time to focus on her pleasure.