Kinda funny, because the other person can't see your gestures anyway lol
But I've observed that people who use their hands a lot in face to face conversations tend to do this. Also, this also has cultural backgrounds to it. Italians and Turks, for example, do this a lot. Germans, not so much. It just depends on how much hand gesture is commonly used in "real" convos.
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No I dont do that at all0