Honestly, Tonks would have struck up a conversation with a complete stranger about the merits of love. She'd blame her parents, if it ever came down to it, but the whole Beatles 'All you need is love' philosophy was something deeply instilled in the woman. Well, she'd blame her father for the Beatles reference, and both parents for the rest.
Still, she was chortling in amusement upon noticing that he dodged subjects the same exact way that Teddy did..by not addressing them at all. Hell, she did that too upon occasion. So again she found herself thinking about irony. And when he laughed again, she grinned brightly.
"Off with you then," Teased, shooing him off with a motion of her hands. "Go hang round the boys. I think I see Freddy there and haven't pestered him yet." She looked up at him and ticked up her eyebrows with an impish look, "I'll see you round, Remus Lupin." Threat? Promise? Teasing? It was probably a mixture of all three.