I have done the take a bite and meet in the middle thing with strawberries and cherries. Also kissing after eating something delicious like ice-cream.
But not actually sharing food once it is in the mouth. I'll leave that to the regurgitating penguins.
Me: mid 40s female
Mr Dom: late 40s male, single
Prof: 50s. we are working on things, single
Jay: early 50s male, divorcing.
Kip: early 50s. former lover, married