What's the meaning of this?

This guy is my classmate, we used his cousin's bike to go to my house. Because we have to get something, really fast so he drove me to my house from school, then go back to school. The next day, he messaged me in messenger (He just messaged me my name) but we're not friends yet in facebook. We're not even close or friends in person. So why did he messaged me? Is there something he wants?
What's the meaning of this?
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