No, they grew as human beings.
It's really not hard to understand, dude. It genuinely feels good to
have hobbies / skills like cooking, languages
apply oneself at work
strive to be kind and decent to others
You can squeeze your eyes shut and scream as loud as you want that no one does this except as a 'trick' to get sex, but the only person you're convincing -- and hurting -- is yourself.