Just Needed Permission

I wondered how long she had been watching me from across the train while I grooved to the music in my headphones. I'm pretty sure I had been dancing a little, maybe shaking my head, probably bouncing a bit.

She turned away, but not before I saw her eyes widen in surprise. Then, a minute or so later, I saw her put her hands up to her headphones and do a little rhythmic shake, which segued into a little impromptu dance to music I would never hear.