Grief is a hard thing. Especially when you are like the doctor. He doesn't die he changes. He knows eventually all his friends will leave one way or another .
You can try to prepare yourself but when the moment comes it is still hard.
Clara was with him through a lot. After he first lost the Ponds, at trenzalore twice. Both times saving him.
Be an interesting transition from Clara to the new companion. Getting to know and use to a new face on the tardis.
Maybe in the summer we will hear if Clara does make her exit in the November finale or Christmas special.
You can try to prepare yourself but when the moment comes it is still hard.
Clara was with him through a lot. After he first lost the Ponds, at trenzalore twice. Both times saving him.
Be an interesting transition from Clara to the new companion. Getting to know and use to a new face on the tardis.
Maybe in the summer we will hear if Clara does make her exit in the November finale or Christmas special.

) that series 9 starts exactly where Last Christmas ended and we see the Doctor and Clara as thick as thieves together until whatever it is that splits them up at some point in the first story (and hopefully they're reunited at the end of episode 2).

