"Tea, my dear Doctor?"
"Oh, yes please. Good cup of tea, just what we need. Got any biscuits? Cow biscuits? Oink wafers? Hobnob? Got a hobnob? I love a good hobnob. Don't you Susan?"
She looked at him blankly – "Not really Doctor. But thank you, I think."
She looked over to where the other Doctor was, in the corner of the console room, fiddling with machinery. "We don't have any biscuits do we Grandfather?"
"Hmm? Ah no, I don't think so, child."
The Tenth Doctor sighed, "All of time and space, and you haven't even got biscuits..."
A chink of cups and saucers on a tray signalled the arrival of hot, steaming tea. The First Doctor served them up onto the table near the middle of the room and he pulled up some chairs. They sipped their tea for a good few minutes.
"So future me, what can you tell me that you've been up to without too much disturbance to the space-time continuum?"
The Doctor smirked, "There's about 200 years between us two right now. The continuum is already under enough strain."
He paused. "Although I will tell you this; there are so many wonderful worlds out there and so many amazing people. You've only just started. You'll find people to travel with who you'll never believe. You're going to see brilliant things, and terrible, terrible things. But, be careful..." A tear started to roll down his cheek.
Suddenly he winced sharply in pain and reached out towards Susan; "Gaah, no, no, not yet..."
"Come on, come on..."
"Please, not yet..."