Motivated
Now that he had seen the man in the photo, he knew that it was clear what he had to do. He was motivated to find out who it was and where he was, if he was even alive. He had to meet him and return the photo reel from his camera.
But he had to start somewhere. He thought about what the best method of getting information would be. He thought it would be easy, but it turns out it would be a lot harder than he initially thought.