She's ornery enough right now that her first inclination is no, I won't, but there's no reason to turn down help from someone else just because Byerly's being a jerk. Miles was okay when they talked, brief as their conversation was. Beth doesn't have any complaints about him--except the company he keeps, if he's a friend of Byerly's. "Yourself included?"

You should thank him for the advice. This advice doesn't actually suck. But the rest of it did, and she's not about to give him the idea that maybe it didn't.