That's a bit of a vague question, but perhaps you're referring to a low level of testosterone in some males. I guess it depends on what is considered acting "manly".
Males develop more testosterone than females. This is due to the way their bodies work. Contrarily, females produce more estrogen than males, and for a functional reason.
It provides examples of how males and females are expected to behave :)
Same reason as males and females usually marry, they're in love and intend to spend the rest of their lives together.
the reason why men are violent than women
They really don't. Males have a larger brow line than females do but they were (at one time) the same. The males sex hormones changed that look. Testosterone is the reason why.
Yes, both females and males can get chlamydia.
96 males to 100 females.
Only males no females were allowed for some sexist related reason
The ratio of males to females is 9:11, meaning for every 9 males, there are 11 females.
Male and Female Tradeoff: Female Advantage over Male Disadvantage: Males are more likely to have autism and serious mental disorders than females. Males are more likely to rage than females. Males are more likely to be stubborn than females. Males are more likely to criticize the law and government than females. Males are more likely to be struck by lightning than females. Males are more likely to be harmed by natural disasters than females. Males are more aggressive than females. Males are more sensitive than females. Males talk louder than females. Females live longer than males. Females are more beautiful and attractive than males. Male Advantage over Female Disadvantage: Males are stronger than females. Males can stand when they pee, but females need to sit when they pee. Females are more likely to have Alzheimer's disease than males.
There is no scientific evidence to suggest that males are more ticklish than females. Ticklishness can vary greatly from person to person and is influenced by a variety of factors, including individual sensitivity levels and personal experiences.
males