Relationships will atrophy over time. Not because of intentional neglect or lack of love, but because, like any ‘muscle’, relating takes exercise. Use it or it will lose strength and functionality.
I see a lot people in various states of ‘midlife’ crisis confronting their primary relationships from the perspective of ‘time left’. This perspective is different for most of us than the one we had in the early years of relating—even different from the perspective of the ‘maintenance