He’s protective over me?

Whenever someone ( girl or boy) is arguing or making fun of me, he always steps in to defend me. When other guys are staring at me, and he’s there talking with me he will notice and say ‘ What?’ In a threatening way. His always lets me know to ask him for help if I need to. And he always tells me to let him know if somebody upset me and that he’ll deal with it. There are other signs too. But what I noticed is that he doesn’t do this to other people and just only me. I don’t know the reasoning, does he care about me or maybe more?

He’s protective over me?
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