Guy's Behavior

I am always the one who ask questions and try to keep the conversation going. Does this mean that he's not interested?

When I talk to my crush, I'm always the one who ask questions to get to know him more and try to keep the conversation going. He would like to answer my questions as well. But he seldom asks questions about me. And if I don't ask, he seldom actively shares what's going on with his life, which make me feel hard to find some topics to talk about to keep the conversation going. Although he compliment me a lot, but I sometimes feel like he's just being polite instead of interested. Is he not interested, or else he would want to ask questions to know me more and share his daily with me?
I am always the one who ask questions and try to keep the conversation going. Does this mean that he's not interested?
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