There's a short growl and Four steps closer, pressing a finger directly to Ten's forehead. "In one regeneration I have forgotten nearly everything. You are at least two away from myself." The finger doesn't move and Four suddenly grins.

"Whatever is happening here, time has little to do with it. Fixed points, paradoxes, time streams- all of it! Inconsequential." He smirks and removes his finger, dusting his hands off in his coat and stepping around his older. He turns around and shrugs, "But my interest is not in my future, simply in your past. Our past-but is it." He taps his nose, "So I ask again, can you answer me one question."