The Doctor was looking at him, he smiled, but he was blushing more when Jack hugged him, he though hugged his friend back. "Its good to see you two Jack." he didn't know if the immortal still had feelings for him.
"MMM ok I suppose, I mean I wasn't a few months ago, two of my companions died... and I sulked in the clouds for awhile, Fine now though." he looked at Jack more "Ah yeah regeneration, took in too much radiation... did it so Donna's grandfather could escape."