There's great value to thinking about each aspect of being in relationships..starting with and always including the relationship with oneself..
.Learning to tune into feelings, beliefs, and lots more..basic life story and experiences in early years, grade school, high school and beyond can give one a running start about thinking of joining forces with another 'signficant other' whether living together or finding ways to connect that work, and having some written agreements one goes over with another couple of responsible people (maybe 3 or 4, with each person having an advocate, support