Something weird happen, can you help me?

On Sunday, this guy that I liked acted very strange. We was at a meeting that day, we was give answers to question that we learned. The subject was talking about marriage and relationships. I gave my two sense on what I learn from it. I mentioned On how working very long hours can cause issues in families especially, when your late to important things that they need to intend to and I also said these situations we all need to look in carefully and think Wisely on it. It also helps the other person to see if they need to change or adjust certain things to make things more compatible and balance. Before that meeting he said hi to me but, after that he avoid speaking to me, looks very nervous but, also looks mad. Plus, he does work very long hours and I wasn’t even talking about him. I was explaining what happens in daily life in relationships. What does this mean?

Something weird happen, can you help me?
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