She wants to keep whatever this thing is that they have going at least until they've had full-on intercourse. Somehow that's on the same level as hearing Lestrade's brought him a locked-room triple homicide.

Although it does bring a slightly more sober edge to his thoughts. No pun intended.

"I, ah." His ears are bright red. "I can have test results back within a week. And all things considered I don't want endurance to be a problem."