I have to report back."  Dave stared after him until he was gone, and then around at the office.
Dave watched him go wistfully, wishing he could call him back, but feeling too shy to do so.
mnli hypothesis: Dave watched him go wistfully, wishing he could call him back, but feeling too shy to do so. premise: I have to report back."  Dave stared after him until he was gone, and then around at the office.