If another guy tells you that a guy likes you how would you girls think about that other guy?
The girl would probably thank the other guy for telling them the
info. Also, the girl would probably ask you to tell the guy that
likes her that she likes him/doesn't like him. Plus, by the other
guy telling her about the guy who likes her, the girl will be able
to either avoid him (if she doesn't like him) or flirt with him.
For those of you that don't understand the question, this is the
situation: Guy #1 tells the girl that Guy #2 likes her. Guy #1
wants to know what the girl thinks of him. Understand?