Dagny had not yet gotten herself something to eat so she was more than happy to be cooked for, as she couldn't cook herself. Uselessness in the kitchen was something that Kenzi had passed down to her as she raised her so she survived on a lot of take out or fast food. Home-cooked food was something she could never turn down.
Now a young adult, she showed up to Merlin's in her pjs because she needed to go shopping. She couldn't dress like a teenager anymore and what was all she had at home. Luckily she just got paid before the grew up and fully intended on spending nearly the entire pay check on a new wardrobe.
"Is your name really Merlin?" She asked when he opened the door. "Isn't that like some famous old dude that's a wizard? You're so not an old dude"