He loved her tomboyishness and found it appealing. He thought that was part of why she was so easy to talk to. So many girly girls he had known at Hogwarts were often very stuck up and intimidating. Also, he and Tonks had a lot in common that way, what with their similar interests in action/thriller movies.
"Of course," he said, taking a sip of wine as he thought about what to tell her. "Well, my father is John Lupin. My mum picked my middle name 'John' because of him. My mum's name is Eleanor. Dad works at the Ministry, but my mum always stayed at home to take care of me or the house. I know she'd love to meet you. And Teddy," he thought aloud, wondering if that would ever happen in the future. He hoped his parents would live long lives.