A question about an ex. please answer! :)?

Yes and Yes, are the answers to both your questions. You too are sending mixed signals; you told him that "I am the last person youd want to be around" and you still want to keep in touch with him obviously, because you checked his yt page... Just move on. Get out of the habit of checking his yt, facebook, etc. Just move on. He has, and wants you to do the same. Good luck.