[Slenderman - Doctor]

Originally Posted by Finland4ever

if he was how come in 2,000 years he didnt age. then by the year 200,000 he's that wrinkled and is only a head (satellite 5 declared that he was pregnant) and he looks the same 5 billion years in the future.

To be fair, we don't actually know. He could age very quickly. Or slowly. Or the change could alter its speed at any time. He mentions, at one point, how he has "grey hairs", suggesting he's getting slightly older somehow.

In Doctor Who, anything can happen