[Billy's fingers brush over the material of Teddy's shirt at first, toying with it a little, then drags his hands further up, cupping Teddy's cheeks and leaning in, keeping distance enough to avoid a kiss. His expression is somewhat scrutinizing.]

Well. It's hard for your average person to notice- this kind of diagnosis requires an expert. There's a few signs here- [His thumbs briefly tug down Teddy's lower eyelids,] An excellent indicator of pain or stress. And then here- [His fingers slide up even more, lightly pressing on Teddy's eyebrows, furrowing them,] They sort of scrunch in when something's wrong. And this- [His hands go lower now, back to Teddy's cheeks, turning his head a little to the right-] The neck muscles seem to reject the idea of there even being a problem, so they try to resist facing it. And the biggest sign is here, of course. [His fingers stop on the corners of Teddy's lips.] What we have here is a part of the body that never knows what to do itself. The rest of the body is telling it to this- [He curves Teddy's mouth slightly downwards-] But for some reason, they always do this- [Upwards into a smile, now, holding it in place for a long moment.] And that's just not natural.