Maybe he was just being polite when he asked you to come visit. Maybe he's met someone. Maybe you were just a holiday fling.
What is wrong with young people today? When and how did you fail to gain any self respect? If someone doesn't respond to your first text, YOU ARE DONE!
That you would text more than once, or even think about him enough to post in a forum after he failed to respond apppals and frightens me.