Quinlin and Physic, or Physlin is the romantic pairing of Quinlin Sonden and Livvy, who is otherwise known as Physic.
- Physlin (Physic and Quinlin)
- Livin (Livvy and Quinlin)
- Quic (Quinlan and Physic)
- Livlin (Livvy and Quinlin)
- In Nightfall Quinlin tells Livvy "There's nothing you could do about it."
- In Nightfall, when Sophie is upset about how Quinlin and Livvy are fighting, Quinlin tells her that Livvy will “make your sister feel much more at home than I can.”
- They both are elves.
- They live together, and they both lived with Amy.
- They are both members of the nobility.
- They both have complex lives.
- They both are stubborn in personality.
- They both have a relationship with the Vackers
- They both have abilities.