Your job is now your Time Lord name. The last digit of your phone number is the current regeneration you are in. The nearest clothing item to your right is now the most notable item in your current wardrobe. The last person you texted is your current companion. Your favourite word is now your catchphrase.
"Gevalt!" the Librarian (in training) exclaimed, when she realised she had died and been regenerated for the 3rd time.
She grabbed her purple fleece jacket, utterly bewildered at the fact that she was in the Mountain Flat with [Sexy!Roommate] as a Companion.