The Doctor did manage to stay in the room for a good chunk of time, in his opinion. Though, at four minutes, sixteen seconds, he'd repaired the faulty chip in the manipulator and had decided that waiting was really, really overrated. Jack would understand, wouldn't he?

Jack,
Taking a look from the rock face where we jumped.
-D

In the bright morning light, the lightning beneath the water still managed to glimmer and shine. It seemed duller, though. Like something was holding it back. The Doctor stepped to the edge of the cliff, watching as sand and rock fell into the rocky water below.

Whatever made him think jumping off the edge was a good idea, he'd never know.