Sexual jealousy is a strong emotional reaction to perceived threats against one's romantic relationship, including an exclusive sexual bond between partners. In heterosexual couples, it is more...
Sexual jealousy is a complex phenomenon that can manifest itself in various ways, from mild suspicions to violent outbursts. In men, it often leads to aggressive behavior such as stalking,...
Male sexual jealousy is a complicated phenomenon that has been studied extensively in psychology, sociology, anthropology, and biology. It can be defined as an emotional response to a perceived...
The shape of the penis head may have evolved to help remove rival sperm
A new study has found that the shape of the human penis head may have evolved specifically to aid in the removal of rival...