I was so wrapped up in the equations that I didn't realize the man was planning to move until he hooked a finger around the cord of my right headphone and popped it out of my ear. The drone of the plane's engine came roaring back, drowning out the lecture still playing in my left ear, followed by the sound of his smug, faintly nasal voice.
"I said, will you let me buy a drink? Pretty lady like you shouldn't have to fly alone."
Oh buddy, you sure picked the wrong person to try that with.