I think your h is one confused puppy and is still trying to get a reaction out of you. Although, mlcers tend to run off at the mouth and if you sit back and listen. If they think they have your attention, good or bad, well they are more confident and/or cocky about things and that's when you learn so much more about what they are doing and thinking.
He may not be able to even tell you why he told you that, except possible for a reaction. Continue to listen and validate whenever you can. The more he opens up, the more you will learn about him, his thoughts and his journey to finding his true "self".
Sit quietly, the answers will reveal themselves when you least expect them to. The past is gone, the present is a gift and you need to focus on today, allow the future to reveal itself when it is ready.