I would not let them play together until the naughty boy learns not to strike.
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my daughter is not a puppet. she has self-esteem and pride. I would not put her in such dangerous situation where she is helpless and defenseless and where she can only endure and suffer the unnecessary. I am afraid that after repeated incidences of being hit and the mom only tells me to endure, the kid will develop low self-esteem and take it like it is normal.
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violent kids should be punished esspecially when he is old enough to understand at 27months ......
his mom should impose a punishment system when he strikes not just preaching and begging him not to do it again.
kids need to learn the consequence for bad behaviour. if he g hurts someone. no orange juice for the day or no TV tonight...etc