I just looked over my shoulder and asked. Turns out your question is a practical one - MBlume says he would go monogamous for me if I wanted. If he'd said this before I hacked poly, I wouldn't have hacked poly. (He wouldn't have said it then - he needed the information of how our relationship has gone for the past month.) Given that I'm now poly, and that we both have other partners/prospects who we'd be somewhat distressed to give up, I'm not planning to reverse the hack. It's a matter of hassle and loss aversion mostly. But I do find it meaningful that he would monogamize himself if I were not sufficiently superpowered to have rendered it unnecessary.