Your vaginal walls may weaken This mainly applies to women entering the menopause. Getty Read More What having a threesome is actually like, according to people who've tried Sari explains, "Without regular frequency of intercourse as you get older the walls of your vagina thin out and can lead to painful sex when you finally get back into the sack. Getty Read More To mitigate the combined effects of a lack of sex and ageing, Sari advises the following. Lauren Streicher. But just like making time for exercise or eatings vegetables with every meal, you might not realize sex how integral sex is to your overall health until you just stop doing it. From your mood to your relationship to your disease risk, here are nine ways not having sex can totally mess with your body and mind. During sex, your brain releases feel-good chemicals, such as endorphins and oxytocin, which help you feel more at ease, the researchers say. Young women may experience a lack of sex differently Image: You lose your libido Yes, when it comes to your sex drive it seems it's a case of "use it or lose it. It may seem counter-intuitive, but having sex during your period can alleviate menstrual cramp. Some people find the idea of sex even more desirable when having a dry spell. Getty Read More You can apparently tell if a man will cheat on you based on his face "For some people who refrain from sex, they begin to feel more sluggish, with less vitality and hunger for sex," Sari Cooper, LCSW, certified sex therapist told Reader's Digest.