He could like you, obviously he might not. Those saying they know based on this one thing are lying to you. He might have meant "I like you because I feel you listen to me and genuinely want to spend time with me" or he could mean "I'm lonely and you're easy". I reiterate, no one, not me or any of the other bozos in this comment section know which one he meant, because none of us have every met him.

First of all you need to understand that your reaction to something isn't "It's a good thing" or "I need to run". There is a huge spectrum of possibilities between those two statements.