What does a guy mean when he says “I really really like you”?

I’ve been talking to a guy for 3 months and it’s been going really good, I mean Ofc we’ve had disagreements and a couple of arguments but we always communicated and talked it out and came back better than before. He introduced me to his family and friends and he drives an hour just to hang with me. I don’t want to mistaken him double liking me for love but I can’t tell if he is trying to say he loves me without really saying it because it might be too soon or if he just likes me a lot.
What does a guy mean when he says “I really really like you”?
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