Mycroft: Are you tweeting?

Sherlock: No

Mycroft: Well, that's what it looks like!

Sherlock: Of course I'm not tweeting. Why would I be tweeting?

Mycroft: Give me that!

Sherlock: What? No! What are you doing? Get off!

Mycroft: Give it here! "Back on terra firma"

Sherlock: Don't read them out.

Mycroft: "Free as a bird."

Sherlock: God, you're such a spoilsport.

Mycroft: Will you take this matter seriously, Sherlock?

Sherlock: I am! What makes you think I'm not taking it seriously?

Mycroft: "#OhWhatABeautifulMorning"

Sherlock: Look, not so Long ago I was on a Mission that meant certain death - my death! And now i'm back, in a nice warm office, with my big brother and - are those ginger nuts?

Mycroft: oh god

Sherlock: love ginger nuts.

Smallwood: Our doctor said you were clean.

Sherlock: I am. Utterly . No need for stimulants now, remember? I have work to do.

Man: You're high as a kite!

Sherlock: Natural high, I assure you. Totally natural. I'm just... ♪..glad to be aliiiiiive!♪ What shall we do next? What's your Name?

Vivian: Vivian.

Sherlock: What would you do, Vivian?

Vivian: Pardon?

Sherlock: Well, it's a lovely day. Go for a stroll? Make a paper aeroplane? Have an ice lolly?

Vivian: Ice lolly, I suppose.

Sherlock: Ice lolly, it is! What's your favorite?

Vivian: Well, really, I shouldn't...

Sherlock: Go on.

Vivian: Do they still do Mivvies?

Smallwood: Mr Holmes...

Sherlock & Mycroft: Yes?