Time Lord Code for "Really Not Alright." Mug

There's this short moment at the end of the two-part story Silence in the Library and Forest of the Dead. Both Donna and the Doctor have experienced deep loss. Donna lost her stuttering husband she met while in the fake reality of the library planet's hard drive. And the Doctor lost River Song, a stranger who knew his name and clearly had a heavy and major impact on his future. Donna asks the Doctor if he's alright. He responds with "I'm always alright." And Donna asks if that's time lord code for "really not alright." The Doctor asks why and Donna says in a somber tone, "Because I'm alright too." The dialogue is striking and heavy, because the implication of their shared pain is tangible in their faces even though they are saying ...