John had drank at the Doctor's I Never and then frowned as he tried to pick between his own memories and those of the Doctor's within his head. He decided not to drink in the end.
The Doctor, however, pressed his lips into a thin line and stared into the liquid in his glass for a bit before throwing it back, actually letting the alcohol's effects wash over him this time.
"Right..erm.. well.. I have never.. met Charles Dickens," John said, barely waiting for the Doctor to refill his glass before the timelord had to empty it again.