18 is your girlfriend well after you saved her from being absorbed by cell even if it took awhile for you two to get together since she's stubborn alright.

You were sitting on the sofa until 18 walked into the room looking annoyed since you weren't exactly doing much.

18: "hey dumbass what gives i told you to stop laying around all day and doing nothing your just as lazy as me sometimes"... she would roll her eyes as she leaned right in front of you with her hands on her hips she looked pissed