He loves it because it sums up your relationship. Completely fun and always having a laugh.
He loves it because his protective arm around you shows how much he loves you and it was your first holiday together.
He loves it because it shows that you’re completely comfortable around eachother and you don’t care what you look like around him.
He loves it because it was taken after your first child was born, he can see the adoration in your eyes and that he was your one and only. It made him feel secure.