Is it possible to change just one windows Xp account to a Mac without changing all the other accounts?. If so, how? Because I share the rest of the computer with my family and they like xp but i like mac.

bring your pc and it move all the filies to your mac

You can't install an operating system in an operating system, so no you can't do this.

no mac is gay and when your sleeping youl get aids and a sore behind