There are several possible reasons: 1. He wants to keep some communication lines open. 2. He wants to see your reaction. 3. He is trying to hint: "I want to return". 4. He is worried for your safety. 5. Wants to hint that he still cares (L.... ?) . 6. He is missing you. 7. Wants that you remain friends. Since we don't know him we can only guess..... You know him better and sure be able to pick the right answer.