I hardly remember my childhood until starting school. My parents and grandmother, though, have told of things around 5 that I did, usually with my temper. Of course, my father was physically abusive and all relatives were emotionally abusive, so what is to be believed is unknown. Since I was at the bottom of the pecking order, who knows what was true.
I was born with a blood disorder, and had 13 blood transfusions. Nowadays it's treated with a shot for the mother, but that wasn't around back then. I can't look at a needle and I feel more pain than most with IVs and such.