(Grr, thought I sent this - I'm really really sorry)
Charlie nodded giving the poor fellow a slight smile. He didn't race after Gen when he left, but he did make a mental note. Gen had left without paying. It didn't seem right, but it did happen. Charlie paid both their bills and left not long after the young man did. He had watched Gen through the windows, and once he was outside, he paused to get an idea of what way the guy had gone.
He didn't see anyone in clothes that suggested much worse for wear, but he didn't expect to. The detective had a mystery on his hands, only he now had to decide what would what if he actually succeeded in finding the answer to said mystery.