as in

Reading this standalone sentence, I didn’t get how “as in, we parents” and “as in, we everybody” were related to what was stated elsewhere.
“But when your leg hurts more than anything has ever hurt you before and your hockey season is over, and you can’t get up by yourself, you might not be ready to look on the bright side, and we—as in, we parents, and as in, we everybody—really need to find a way to let that be O.K.”

The author is explaining who he means by ‘we’.

… look on the bright side, and parents (in fact, not just parents, but everybody) really need(s) to find a way…