I was in the exact same boat you were in, thinking that relationships are not for me and freedom is too priceless to let go of, so I mostly stuck to open relationships or one-night-whatevers. I don't see anything wrong with the way I was living and seeking out a realtionship was not on my list to do's, if anything, I was constantly avoiding it, refusing all offers.
A relationship just sorta happened to me after realizing that a guy that was head over heals with me has given up on ever trying to be loved back by me

, and the concept of losing him hit me really hard. So I stepped back inside myself (guh stupid NT) and realized that all my rationality and logical evaluation of relationships has blinded me to the fact that the person I want to spend the rest of my life with was right in front of me (however emotional this statement may be, there was a lot of thought put into it, so I know I'm right


).
So we are still together now, and we give each other space at times, and at other times suffocate each other with cutesy lovie thingys that I used to get naucious over. We are exclusive, except for the very occasional orgies (common, that's not cheating, it's just impulsive fun).
I think that the key to a healthy relationship is knowing how to be okay with being alone (physically and emotionally), which is why I think mature NT's are actually really well suited to a realtionships, especially the INT's, the NT's self awarness and constant evaluation makes it perfect. Once a person is mature enough to not be dependant on other people for his/her own psychological well-being than a good realtionship can be achieved, without sacrafising freedoms or jealousy, or cheating, or crying or whatever it is couple seem to always be writing poems about.
by the way, my boyfriend is an INFP.
