Final answer:
Edward looked at a little tooth he had extracted all night long.
Step-by-step explanation:
Edward looked at his little tooth that he had extracted from a previous sitting. He kept the tooth wrapped in a bit of newspaper in his vest pocket and would often take it out to hold and gaze at it. This obsession with the tooth consumed his thoughts at night, as he lay awake under the blankets, tormented by his entangled feelings for someone.