I do not feel like going outside,i'm tired of watching tv constantly and sex do to much of that. I heard of couples making movies I want to do something different like that.
Shave interesting shapes into each others pubic hair
Body paint
Cook a gourmet meal together and enjoy it under candle light
Strip chess
Stick an ice cream stick in his bum and lick him like a paddle pop
Take some blood from each other, make some blood agar plates and culture some microbes?
Is S.Aureus it's pretty simple to culture and pretty common, so see if you can find some on your skin or in your mouths or something. Just swab your source, swab some on the plates, label em, and you'll find out if you are already have a comensal population of this common, but potentially very nasty little organism (about 1/3 people do!)
go to 4chan, go on /b/, and and select randomly some images and try to eat while staring at them. It'll be harder than you think!