The Doctor put his finger to his lips and Martha nodded and followed him as quietly as she could. Wet leaves squelched under her feet. There was movement up ahead: two teenagers, a pale boy and a nervous girl, walked into a clearing. The sun broke through the clouds and the boy started to sparkle. Martha felt the Doctor’s eyes on her and she blushed. ‘Do not judge me.’ ‘Judging is for later,’ he said, and they continued on, giving the young lovers a wide berth.