Read it through once

The rain cooled about half-past three to a damp mist, through which occasional thin drops swam like dew. Gatsby looked with vacant eyes through a copy of Clay’s Economics, starting at the Finnish tread that shook the kitchen floor, and peering towards the bleared windows from time to time as if a series of invisible but alarming happenings were taking place outside. Finally he got up and informed me, in an uncertain voice, that he was going home.