Mia didn't envy either of them, but she figured this would be the same sort of thing she'd have to do if Zoe or other people ever showed up. Mia thought it'd be easier once Logan met Elena just like Mia would direct people from her world to Sara.
"I'll swing by Hinkles if Nick's fridge isn't stocked enough." Food would be a good call in general, but with a werewolf, it made even more sense.