B: That’s a good idea.

A: I bought some new shoes.

B: Are they comfortable?

A: They’re very comfortable.

B: How much were they?

A: They were on sale for $80.

B: Do they help you run faster?

A: No, but my feet don’t hurt anymore.

B: Then they’re worth every penny.

A: You might want to buy a pair.

B: I’ll wait until I wear this pair out.