Mostly to get what she wants. Sometimes it's just because it's in her nature, or maybe even because she likes the person she's flirting with.
Because she is a teen
no, not really, although rouge likes to flirt with the sonic boys sometimes.
http://sonic.wikia.com/wiki/Rouge is an English site about Rouge the Bat and all other things about the Sonic Series
You can create a costume of Rouge the bat.
Rouge is a large fruit bat.
Yes, they have comfirmed Rouge and Blaze will be released some time this year.
Rouge was a white bat.
Rouge the bat is a Tomboy but she loves pink and purple.
Knuckles is often implied to have a crush on Rouge the Bat.
Noir the bat
Knuckles has a crush on rouge the bat.
Rouge the bat is a cartoon character. You need to realise that and get over it.
Rouge the Bat's first game was Sonic Adventure 2.