Published research indicates that each passionate kiss burns between 6 and 12 calories, depending on the level of enthusiasm," says Betty Goldblatt, RD, MPH, publisher and co-founder of Environmental Nutrition newsletter. That's close to what's consumed while jogging for one minute. At three kisses a day, every day, that amounts to burning 9,855 calories a year -- totaling about 3 pounds of weight loss.!
So... looking for a fun way to lose some excess pounds? I would suggest that instead of having a late-night snack that contributes to weight gain, maybe you substitute it with a late-night romp!