A common complaint women have with men is that they don't cuddle after they have had sex. While some men might oblige others might not be quite as comfortable. But if you and your partner are trying to have a baby know that cuddling is one of the most essential steps to successful conception. But guys before you'll start to complain here's is the scientific reasoning behind it. During an orgasm and after sex a woman releases a powerful hormone. Unlike men who simply release dopamine or the feel good hormone women release oxytocin or the cuddle hormone .