[And if Sam was the sort of man who quailed at his own occasional, ill-chosen words, he'd be doing that. The Doctor in his flat and he's choosing to spend this time denying the fact that the man's there? But, alas. Once again, he looks at the Doctor like it should be obvious.]

You're from a television show. I grew up watching you, I-

[Ok, no need to share that bit, even if this is just a dream].

If it was a bit earlier, we could flip that on- [And that'd be the television he waves at] and watch you saving the world and managing not to trip over your scarf.