The Doctor grins. He was giving him an out, without having to worry about losing him forever, but alright, if he wants to join, the Doctor doesn't mind. It's getting late though, and the Doctor doesn't want to be a babysitter either.

"If you can keep up," he answers. "Now, let's see." He licks his finger then lifts it into the air. "Rift's that way." He points north. "I suppose we can go check that out first. I don't really have any equipment with me, but even just feeling it should help."