Hi. he could be reacting to the stress and changes going on. I am sure once life settles a bit he will too. Kids respond to stress the only way they know how, he is too young to cognitively be able to express his feelings in words so he uses his behavior which can be frustrating to all. I would suggest some family therapy for you and him . That way he will learn how to act when things are tough or he is feeling stressed. It' s more for you than him but everything helps.
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