The weight of bacteria in and around the human body is approximately 1.25 kg.
I presume that's a washed body.
Try not thinking about that when coming home through a mob of teenagers.
That's the final argument for not sharing a bed with another body.
On the other hand, it means that 1.25 of this flab isn't mine.
Triple chocolate ice-cream for dessert.
There's always a silver lining somewhere.