One responds by withdrawing and becoming reserved, the other by tantrums formerly and tears now.

All the above But sometimes when he is more quiet and deep In thought That’s most worrying

They will get more irritated when they pack of sleep, or can’t complete their work

More nightmares at bedtime and clingier than usual are the signals for me

My kid will be quiet when she's stressed, she's always the talkative one

Usually my daughter throws tantrums when she is annoyed or stressed

I didn’t know until recently that stress can cause tummy pains

My son is easy going and never had those symptoms

He will complain with lots of unjustifiable pain

Tantrums is the biggest telling sign