What do we learn about the man from the dialogue?

W: I’m going to look at new cars tomorrow. Why don’ t you come along?
M: I’ d like to, but I don’ t want to be tempted.
W: I’ m sure you could get a good deal.
M: Yes, but I can barely afford a new car right now.

W: What do you think of Frank?
M: He’ s all right, but he seems to have no backbone.
W: Why do you say that?
M: Whenever things get tough, he gives in.