Celia is president of the Agrestic PTA, and does not get along with her cheating husband Dean, nor does she get along with her sexually active 15-year-old daughter, Quinn (Silas' previous girlfriend), whom she sends off to boarding school in Mexico after the pilot.
Promise rings can be worn on any finger of either hand, but are often worn on the left ring finger. This is especially true if the promise ring is used as a pre-engagement ring.
The proposal ring is the engagement ring, unless you are talking about a promise ring which some young adults do. All rings concerning the promise/confirmation of marriage go on the left hand, on the finger beside the pinky, or the ring finger as it is called.