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Huh? Upset?

The laughing emoji and me laughing at your reaction, and the tick is a tick of approval for your actions as you mention in your post and I have quoted.

Your comment above is an example of how disconnected people are when communicating across language barriers.

Calm down... I understood and very well. Let's keep laughing

Here we say much of the one who laughs at your pranks or mischief is remembered

Calm down huh? 😶