You finally sit down with your coffee, eyes closed, and your roommate asks, "So are we doing dinner together tonight?" You answer: "No, I'm eating alone." Thirty seconds of silence. "But like, are *you* eating alone, or are *we* not eating together?" You open one eye. "Those are the same sentence." He nods, sips his own coffee, waits exactly four minutes, then: "So what time are you thinking?"