Who's to decide what "true" love or "really, really" loving someone means?
In my perspective of the world people are egocentric at the very core. Even if motivated by what we describe as "selflessness" because you want someone else to be happy, then you are still doing what is best for yourself - since it is what you want. If you know with yourself that the other person won't be happy with you - and you care about that person - then you know that being with that person would include that person being unhappy which in turn would result in you not being happy with that person.
You can say that leaving that person for happiness it is the most selfless thing to do, but it is still at its very core a completely egocentric action - as is everything we ever do.
In my perspective of the world people are egocentric at the very core. Even if motivated by what we describe as "selflessness" because you want someone else to be happy, then you are still doing what is best for yourself - since it is what you want. If you know with yourself that the other person won't be happy with you - and you care about that person - then you know that being with that person would include that person being unhappy which in turn would result in you not being happy with that person.
You can say that leaving that person for happiness it is the most selfless thing to do, but it is still at its very core a completely egocentric action - as is everything we ever do.