Daily Prompt: Being Identical!

Daily Prompt: You step into an acquaintance’s house for the first time, and discover that everything — from the furniture, to the books, to the art on the wall — is identical to your home. What happens next?

Either it’s a dream, or I realise I am being stalked, on which note I would quickly leave, (perhaps call the police), and lock myself in my own house. It’s up to you. Which one would make a more interesting story?