Is a 16yr and 22 yr age gap appropriate?

So, I'm 16 years old, and I met a guy on here who is 22 years old. He doesn't know anything really personal about me. We live in the same country and province. He is really nice and likes me for me. When I mentioned it to another guy who is also 22, he said it is so wrong and that I should block him. But I feel very confused about the situation and I need advice. What should I do?
Updates
+1 y
He discovered my question and has blocked me on here
Is a 16yr and 22 yr age gap appropriate?
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