Thin sheen of sweat. Interesting. He's nervous. Dilated pupils. Attraction? No. That can't be right. From day one he's said he isn't interested and John doesn't lie.
Damn. There's not an easy way to take his pulse.
"Sherlock."
He sounds out of breath. That could be something. It's always so tedious to explain that I'm not interested, though.
"Sherlock!"
Repetition of name implies something important he wants to tell me. Ignoring him a second time has greater risk of ostracization. One time I can pass off as not hearing, but two...
"Yes, John?"
"Why the hell are you sitting in the dark? And why is there a disembodied arm on the staircase?"
"Research."
"Yeah well your research just tripped me and scared both Mrs. Hudson and I."
Ah. Adrenaline. That explains the sweat then. Really. I must be getting clumsy if I actually thought John was in love with me.