Youthful beauty is a treat to look at, but I'd much rather share my bed with someone near my own age (70 next year), for just the reasons you lay out so cogently in this fine essay.

Sexy is an attitude. It grows from self-awareness, self-possession, and self-confidence. I want to be with someone who has outgrown impression management and wants a partner she can love and trust, even if it's only for a little while.