It depends on what she\he is using.
tell that friend to stop using that
Sometimes you can find out if friend is using you if he/she always drags you over to this person or thing. If you need a real opion to see if your friend is using you ask your friends what they think.
you have a really nice Friend
if you believe that someone is using your best friend then you should try to inform your friend of your thoughts. try to be calm when you are telling your best friend as you don't want the conversation to turn into an argument. if you have any memory of that person using your friend then mention the experiences to your friend in the conversation but remenber to be calm and keep your tone down.
By using orkut..You can find ur friend
get your friend a date... not the girl you like
Well your friend might not be your friend. He/she might just be using you. If your friend said that try to find out some stuff
I am with my friend Tom.
Get a friend using facebook.
EmailGoogle Talk
this is me and my friend
Add him as a friend using either his Battle.Net email or his BattleTag, then whisper him.