Finnick doesn't blink, but he does tilt his head a little as he looks at Teddy, trying to evaluate his intentions. He's developed an ability to tell when people want to be around him and to what degree, but there's a significant difference between the way Capitol people express themselves and the way everyone else does, so he's not totally sure.

After a moment and a thoughtful smile, he says, "Sure. I need to acclimatize myself. That is, if you don't mind."