When u met creepy guy on the bus, u rejected him all day, which made him lose interest in u. The next day u didn't notice that woke up in another reality and started a new day. During your shift, "ordinary" guy asked to hang out with u at your house and u agreed. When u and Doe watch TV, Doe tells u that he is very happy to be there with u. But Doe realizes that his cover has been blown, and takes a much more creepy form, telling you:

“Oh... in that case… Let's get to know each other better.”