The mine + yours thing is intimate. You are experiencing the same thing at the same time, while being somewhat vulnerable to the other participant.
Looking into someone’s eyes
Holding someone’s hand
Kissing someone’s lips
Frotting
Smelling someone’s nose doesn’t quite feel like it would fit the list.
That is the actual formatting for all of Lemmy to the best of my knowledge.
Some of the apps people use don’t do formatting properly.