Crossword puzzle clue "start to sense that one's hookup is more than a game"

Start to sense that one's hookup is more than a game

Go back and forth, in more than one sense

More-than-healthy sense of self

"No sense is so uncommon as common sense"?

"The Sixth Sense" sense

Hookup in which one partner gets most of the pleasure?

Hamlet's "A little more than kin, and less than kind," e.g.

"Nothing is easier than to denounce the ___; nothing is more difficult than to understand him": Dostoyevsky