Uhh, s -- ? Sixteen. [His voice stays padded and reserved - does stumble a little lower and huskier. Body language doesn't change - holds at a respectfully-stiff "deer before the headlights".

Swallows as a fidget.] I asked for help hiding when this first started to happen -- uhm. I'm -- sorry, if -- ?

You can - I'm sorry, am I -- ? [..."Making you uncomfortable?" "Putting you off?" Would either of those be giving himself far too much credit or plain giving her far too little?] Is uh - is there anything I should be doing...?

[To mitigate the source of clearly-present awkwardness, whatever it actually is regardless of any attempts to shoot a guess.]