In VS's UpperClass Suites and some other airlines' Int'l FC (I think AA's Flagship Suite has it) there are places for companions to sit and eat together. I think VS may also have some seats where you can put the divider down between the seats when they're reclined.

And I think Richard Branson has said he intends to have even further couple-friendly beds in VS's forthcoming A380s. That remains to be seen, however, and to me just sounds like it's asking for trouble.