...I don't know. You tell me to stay away from him, you say all this without sayin' nothing.

[ why does she have to confess what's going on, give her information when amy will give her nothing back?

...

she doesn't want to be used. ]

Are you trying to use me? Get as much information as you can and hang me out to dry!?

[ because amy has always... appeared in some way, trying to help, so knowing that the other girl may be trying to play her for a fool. it really pisses her off. ]