In The Empire Strikes Back, Yoda famously said:
"When 900 years old you reach, look as good you will not."
But what happens when it turns out The Doctor from Doctor Who is young, handsome and over 900?
What happens is the same meme
But what if there was an episode where The Master from Doctor Who suspended the Doctor's capacity to regenerate and show what the Doctor's 900 years really looks like.
Oh, wait, there was: