It gives many a sense of calm and relaxation. Not surprisingly, it's the same hormone women release after giving birth that helps a mother bond with her baby, and it aids in wound healing and pain relief. It may be tempting to suppress the urge to cry, but the release of oxytocin through sexual stimulation is a great stress reliever, so just let it go. For a male partner, it may seem uncomfortable and weird to see his partner cry, but it's simply a different reaction to orgasm. For men, the hormone released is testosterone, which may create the same feelings as oxytocin. Either way, if the tears after sex can't be traced to a specific feeling, then it's probably due to a rush of hormones. If you find yourself crying for more emotional reasons, then talk it out with your partner.