Bring him out alone with u for some fun activities and have a heart to heart talk to reassure him your love for him? And tell him unlike a baby who can't talk to express themselves, he shouldn't do things that he thought u understand. He should talk it out instead. To demonstrate u will not understand, u point to ceiling, ask him whether he could understand what u want. He may be doing all this to get your love..
But frankly, this is just my suggestion only, not sure whether it's correct and whether it works.
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