While riding the bus today I saw a man sitting in front of me, as subtly as possible, attempt to pinch a mosquito off the top of the head of the woman sitting next to him.
Without drawing any attention to himself, as this woman was staring out the window, he was insistent in his anonymity.
I looked over to the girl sitting next to me and smiled. Though she had noticed this interaction before us, she didn't look back to me but instead smiled to herself.