For those interested in hooking up in zero G, you may be in luck.
Space Tourism Society Vice President Sam Coniglio has developed a prototype of the snuggle tunnel. This collapsible zero gravity love nest is designed to hook onto the bulkhead of a zero G habitat near a window. A couple could climb in and snuggle about while watching the Earth pass by.
Coniglio said that he hopes the test the prototype snuggle tunnel on a zero gravity plane in the near future with two student volunteers.