Burgers were far from being his favorite cuisine, but they also weren't something that he disliked. They were meat, and as a cat, he liked meat, so it sounded good to him. McDonalds, on the other hand, was definitely out.
"Yes," he said. "That's fine. There's a microbrewery that is rather popular nearby that people say has good burgers." He hadn't been there, but he was certainly up for trying out new places.
The payment was not optional. He would pay because he had decided that he would, and nothing that she could say could or would change his mind. It wasn't a date exactly, but he certainly wasn't going to put himself in her debt. It was better to have her in his.