"Both of them have incredible bodies, so they're more relaxed," a friend of Jen's told Us Magazine. "They spend entire days at home without any clothes on and even cook naked."
Yowsers! They might want to invest in some oven mitts and aprons to protect those "incredible bodies". Bangers and mash takes on a whole new meaning now, doesn't it?
Of course, the loved-up pair hooked up while making their nudist-themed comedy Wanderlust in 2011. Watch them milk a goat together, sexual connotations and all (it's not one for the prudish!):
The pair are obviously loving domestic life in their $21 million digs in LA's exclusive enclave of Bel Air. They seem to be in no rush to get hitched, reportedly delaying their nuptials because of their busy work schedules, and the renovations going on at home.
"With all the work on the house, they just thought it was too much to plan a wedding as well," a source told People magazine. "So they decided to step back and just focus on the house."
And getting' buck nekkid in that house, it seems.
Jen's got quite the history stripping off for TV, movies, magazine covers ... basically wherever she can! View our latest slideshow of Jennifer Aniston's raunchiest moments: