Imagine Person A and Person B go out, and Person B gets piss pants drunk. They eventually don't even recognize Person A. When they finally go home, Person A tries to undress Person B for bed. Person B actually stops them and says "No! I have a girlfriend/boyfriend/lover!". Person A finds this adorable and doesn't tell Person B until the next morning.

http://otp-imagines-cult.tumblr.com/post/144103154157/imagine-person-a-and-person-b-go-out-and-person-b