The relationship between the husband and the wife remained awake until somewhere near the late 30s. Post that, it was more about life's influence on the relationship rather than the relationship itself. Kids, finance, career, health - they've had enough come between them that the very little attention they could give to each other's lives wasn't fair on life's part. Perhaps, what started with blazing love and lust is now somewhere in the corner of their everyday lives, forgotten and dumped into the multitude of life demands. Yeah, you both have traveled together almost half a century now, weary of making both ends meet; of the very many commitments and the ceaseless chores day in and day out. Marriage, family, and kids are as stressful as stress-busters they are, aren't they?