In my practice, self-care and stress management are not luxuries, and regularly releasing hormones like oxytocin is a great way1 to help manage a hectic schedule, as this bonding hormone buffers against stress hormones like cortisol that can make you tired, old, and overweight. Oxytocin plays a role “in a wide variety of physiological and pathological functions such as sexual activity, penile erection, ejaculation, pregnancy, uterine contraction, milk ejection, maternal behavior, social bonding, stress, and probably many more,” write Navneet Magon and Sanjay Kalra in a study published in the Indian Journal of Endocrinology and Metabolism. Want to orgasm harder? Here’s how to do the perfect Kegel exercise.