My parents didn't ever actually teach me how to be an adult. The only things I learned were to hoard plastic bags within plastic bags and that whenever there is a person in your house you feed them.
If you're on vacation in some exotic place, just be cool and post 1 or 2 pictures a day. I don't need a rolling archive of your hipster Cambodian holiday while I'm watching 'Making A Murderer" alone on the couch.
It's not always about sex, sometimes the best type of intimacy is where you just lay back, laugh together at the stupidest things, hold each other, and enjoy each others' company.