If there's one thing that Sam believes, it's that there is something out there to help reverse their problems if given the time. He brings his fingers to the top of her horn and runs them down to the base. From what he can tell, they're solid rather than hollow and similar in hardness to bone or antlers of recognizable animals. "Do you feel it when I touch them?" An innocent enough question to gather more mental notes.

He drops his hand down to fix or play with her hair when he's down inspecting them.