Tell me about it. [ an empty sentiment in most cases, but he doesn't have an empty sentiment in his body. he is attesting to her comment. Percy agrees with her. in the same breath though, he doesn't mind hearing about what's going on with her if she wants to talk about it. ]
Or this cheap. [ money: the struggle. ] But that's what friends are for.
( action )
Or this cheap. [ money: the struggle. ] But that's what friends are for.