"Doctor Rodney McKay," he replies, taking John's hand in his own and shaking it, the way he's seen Ronon do. "Pleased to meet you."

I love this telling little bit. Handshakes would not have developed as a greeting when touch can set people off.

*whaps John in the head for getting the wrong end of the stick*

And Rodney wanting sex just for sex not some biological compulsion. \o/