Men become more effeminate after marriage. When men marry, particularly when they have children, the level of testosterone in men's bodies falls. Tests on Filipino men highlighted this phenomenon. It appears that the more men care for children, adopting female behavior, the lower their testosterone. Research subjects were 21 years old on average. They were tested at the beginning and after 4 years. At the latter time 50 per cent were married. These married men had very high testosterone levels initially, which indicates that testosterone makes men more attractive as marriage partners. Very low testosterone was found in married men with a child less than one month old. Males who cared directly for a child had 80 per cent of the testosterone level of men who left childcare to mothers. Obviously behavior drives hormone level. This is a new discovery. If testosterone is affected by behavior it is possible that other hormones levels are determined by the way people act. http://