' Why are some girls picking fights with boys in the school yard, literally pushing and shoving and taunting like "C'mon have a go, you wanna fight" '

Blame the 'Ladette Culture' of the naughty ninties. (If you want to lay blame).

' And men, why so many feminine men these days? '

Blame the 'Glam Rock' era of the seventies. (If you want to lay blame).