I was kinda surprised to see 2x Sad Review Faces, or whatever they're called. I wondered, "Why?" I still don't get it I'm afraid:
1. they are Mated, and
2. Regan's thoughts bare out that he wants his Mate/to be Mated. They just need to have a proper talk. Regan is horrified about what he assumes 'the jerkiest jerk' expects from him as an Omega. He seems to think that 'dickwad' expects him to be submissive, to be a Stepford Wife type of Mate, etc. They have to talk it out, have a couple of Come To Khonsu moments, etc.
It will be fun to witness.
In the end I think they will balance each other out perfectly. Can't wait to see them with heaps of Pups. It will be interesting, also, to see what job Regan ends up with/how he spends his time.