Ah, this discussion has gone to
those places.
As an aside, there are some articles out there about couples sleeping better (in the strict sense of actually
sleeping) when they're in separate beds, vs. one bed where one of them has incredibly cold feet or tends to spread out all over the mattress or has some other incompatible personal habit.
This of course has little to no bearing on a virtual environment where those little details... actually, I wonder how precise the NerveGear could be about detecting variations in body temperature such that if you touched another player they'd feel warmer or colder than you.