The species of man is still a worthy field of research. Men and women change their social roles continuously and everyone is affected by those changes when new roles aspire.
But it’s one thing to think of social or biological roles and another thing to be such a biological thing. Especially in being a man: You know your biological movements and you know your social role, and more: you know the things that are commonly accepted.
And then there’s this manhood moment, when nothing fits: