Preschool crush plants a kiss. “Isn’t that cute?!” Mom takes a picture.
Grade school crush writes a note. Revelation: someone likes you. Mom smiles.
Middle school crush messes with your self-esteem. Why and why not? Mom worries.
High school crush introduces adult intimacy. Are there rules? Mom intervenes.
College crush invites self-exploration. What if? Mom doesn’t know.
Post-college crush proposes solid possibilities. What will I choose for myself?
Mom leaves it up to you and breathes relief.
The afterglow: 5 couples around the table, relaxed adult conversation. “Isn’t this nice?!”
scillagrace 
It must be so hard to go through this progression with your children–the whole art of letting go and trusting them.
Quite a learning curve, I must say.