Cooking tip #8: Be temperature-wise. How you cook your beef will have a major influence on tenderness and juiciness. For most cuts of beef, you should cook it to an internal temperature of 130 degrees F. for rare and 140 degrees F. for medium-cooking meat.
Periodically I've heard stories of women whose male partners suffered what have been deemed sympathy pains while the women were pregnant.
Perhaps psychologically, sympathy pains allow the man to go through the pain with the woman, so she doesn't have to do it alone. According to one article I unearthed on the subject, though, there is a biological foundation for these feelings. Men with pregnant partners were shown to have an increased level of estrogen and a decreased level of testosterone in one test.