Most Helpful Guy
Could be fear, could be intimidation, could be he has another girl, could be lots of things.
It's good that you're exploring other opportunities because his behavior sounds sort of unreliable and immature. He may genuinely like you, but if so then he just doesn't like you enough to actually spend time in person with you more than once, which is unfortunate. You deserve, and certainly can find, better. Good luck. :)