i'm using fitday.com to give myself an idea on what kind of calories i'm eating and burning. an option for activies includes 'sexual activity' where with 20min of active, vigorous effort in 'sexual activies' i could burn 11 cal. i'm a little dismayed with this result as i had high hopes that this could replace the stairmaster i have been doing :(

who wears short, black, shinny vinyl shorts to work out at the gym!!???!!