Wonderful. It sounds like your son is off to an excellent start with the commitments he is making at his age; I’m sure he’ll make some young lady a wonderful husband when that day comes.
I do videography at weddings, and I have been to 7 or 8 weddings over the last two years where the first kiss was shared at the altar.
"Dating" is a relatively new concept. Courtship has a lengthy past, and is honoring to God's word.