«The passwall sealed itself into non-existence behind Senior Prefect Gaffney. He had just returned from Hospice Idlewild, and his sinuses were still blocked after exposure to the furnace-dry air aboard the corvette. He picked at a nostril, then smeared the offending nasal matter against the wall, where it melted away into the absorbing matrix of quickmatter.»

Am I supposed to like this character? I can't tell yet.