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One can like or ignore and its fine. he can ignore me and I am okay with that.
But why would someone ask others to follow some rules.

We are all different and that's what keeps things interesting. I'm actually surprised he said this, because it's not in his character. He must be having an off day. lol

I think you're right that probably he had a bad day.

may be you are right but I can't say as I never interacted before.