He talks, walks, and moves slower when he's around me?

For context, I'm 17F and he's 17M. We're both Juniors. I've been hanging out with him a LOT more recently, and recently he's gotten kinda weird around me.

We used to be really laugh-ey and would have stupid little conversations. But, now, things are quite different. He moves slower and talks slower, and he's been making pretty intense eye contact with me. He used to not make a ton of eye contact, and now that's all he'll do. He's gotten huggier and now expects a hug after every time we talk.

I'm not sure what's going on, and I don't know if he's just starting to like me more, or becoming more distant.

Maybe he's just sad?
Whats your opinion?

He talks, walks, and moves slower when he's around me?
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