Answer:
B: There's also vet bills.
A: Vet bills?
B: Yes, a vet's bill can be expensive. It's important to think about that too, especially since dogs need regular check-ups and medical care just like we do.
A: But the puppies are healthy.
B: You're healthy too. But sometimes you get sick and you need a doctor. Also, your little brother is only three years old. He's afraid of dogs. Here's another problem: It's summer now, so it's easy to take the dog out. But in winter, it's not so easy. It gets really cold.
A: Please, mom.
B: Let me think about it. I have to talk to Dad. We're your parents, and we want to make the right decision.
A: Thanks, Mom.