lostwithoutmyconsultingdetective:
if he did Donna would see it on television, recognize him and thus her mind would burn up.
Eleven has realized this and thus he’s now carrying it to save her life.
He’s got it under control.
This explains everything.

Spoilers for the last scene of Season Three:
—
INTERIOR, church, decorated for a small wedding ceremony.
Priest: Do you, John Hamish Watson, take this woman, Mary Morstan, to be your lawfully-wedded wife?
John: I d-
Doors bang open at the back. Everyone gasps and turns to see what is happening.
Sherlock: John! Please wait! There is something you must know!
John: Sherlock, what the-
ROLL END CREDITS AND THEME MUSIC
BASK IN THEIR ANGUISH FOR ANOTHER 18 MONTHS

consulting-detective-with-a-box:
What the…
I’m ready to solve help crimes
I take it that’s Anderson
No it’s ok, as long as you can’t see Anderson’s face his devil magic can’t hurt you.
No but seriously, can you just imagine Sherlock supergluing a plastic shopping bag to Anderson’s head and leaving him to wander the streets of London?
Matt what are you doing there ? Go write some music and let Sherlock and John solve their crimes
DOCTOR WHO: A PROGRAMME STRONGLY IN SUPPORT OF TRADITIONAL FAMILY VALUES
Look at Sherlock’s face.
“MY CHAIR”