If you've found yourself struggling to slot a fitness regime into your daily routine - forget about jogging round the block or struggling with sit-ups, and get yourself a better workout between the sheets.
Why not warm each other up more often this winter with a good bout of 'sexercise' - one form of exercise that you're guaranteed to want to make time for. Sex uses every muscle group, gets the heart and lungs working hard, and burns about 300 calories an hour.
Sex uses every muscle group and burns about 300 calories an hour
Also, orgasms can actually make you glow with health. The increased production of the hormones will make your hair shine and your skin smooth.
And if you're worried about wrinkles - orgasms even help prevent frown lines from deepening.
If you're lucky enough to have a healthy sex life, you probably already know that sex can be good for the soul. But a good lovemaking session can do more than make you smile. When we orgasm, chemicals called endorphins are released into the brain - these 'happy hormones' make us feel instantly calmer and banish stress.
When we orgasm, chemicals called endorphins make us feel instantly calmer
Orgasms even release painkillers into the bloodstream, helping keep mild aches and pains at bay, and produce extra estrogen and testosterone hormones.
These hormones will keep your bones and muscles healthy, leaving you feeling fabulous inside and out.
Sex is a great means for feeling happier and less stressed - many people with sleep problems swear by it.
Sex with a little energy and imagination provides a workout worthy of an athlete, leaving your body tired and in need of a good rest to recharge those batteries.
But as well as that, the post-coital period after sex is a time to completely relax. In fact, following a satisfying session you could find that what's been playing on your mind has vanished, and you sleep more deeply and restfully.
Sex can actually help you live longer. The endorphins released during orgasm stimulate immune system cells, which helps combat illnesses.