The gym is a good place to start G. Stay focused on yourself and the rest will fall into place.
You are right every R is different. My buddy moved in with his girlfriend after 1.5 years of dating and they lived together for another 1.5 years before they got engaged. She has her kids full time, and he has the normal state law dad visitation only because he travels for work.
I personally could see myself and the dr. getting married however it’s not right yet. However I know we are both on the same page so I am not concerned.
You seem to question M and has actions towards you rather frequently. Is it your own insecurities or is something missing that you need and are not getting?