find him again... i let him slip away, im stupid

i saw him tonight. he looked at me and i looked at him. we were strangers and still are because im stupid. he was with his girlfriend, but still continued to stare back at me. as he left, he trailed far behind looking around. i missed him waiting. i missed my oppurtunity. i wanted to slip him my number. i didnt. i should have. i need to find him again