Hold a goodbye card before you enter into any kind of relationship with a person. It’s a card I never held and it led to a decade of unhealthy relationships and some plentiful sprinkles of trauma.
Mental health issues are serious but when some people start using that as an excuse to behave selfish, manipulative, and downright toxic it is a problem. And it needs to be addressed.
After having way too many unreciprocal relationships, I have come to my own formula of not being weighed down by expectations.