It doesn't in fact it is a form of bullying and would be very upsetting for her. If you have influence over people that are doing this, get them to stop.
Why does anyone? To get stuff they need.
No, girls do not always get away with stuff.
Sadly boys eat hotter stuff than girls :(
they do private stuff
Not really then it makes you look really weird for guys to be buying girls stuff and for girls to be buying alot of guys stuff at a birthday party supplies stuff.
Girls buy a lot of stuff. It is a successful sales strategy to specialize in products for girls. This is called niche marketing.
Some of them
maybe cuz he likes girls and stuff maybe cuz he likes girls and stuff
if you do all that.. there is trust issues there... and you cant build a relationship without turst.
girl stuff is girl stuff not to be told to boys
anyone
he might not be attracted to anyone at the moment or if this has been his situation for a while he might just enjoy the company of girls which means he is gay