A lot of lovemaking can unblock a stuffy nose. Sex is a natural antihistamine. It can help combat asthma and hay fever. Gentle, relaxed intercourse reduces your chances of suffering dermatitis, skin rashes and blemishes. The sweat produced cleanses the pores and makes your skin glow. Sex burns about 70-120 calories for a 130 pound woman, and 77 to 155 calories for a 170 pound man every hour. Sex is an instant cure for mild depression. It releases endorphins into the bloodstream, producing a sense of euphoria and leaving you with a feeling of well-being.