Too true. One of mine didn’t walk or talk at eighteen months and was scheduled for testing.
Within one month, he started walking, running and has not shut up to this day. We are reduced to half listening interjecting, isn’t that something, wow, how about that.
He’s a brilliant engineer and works on development projects.
His wife is also an engineer.
Boy do I feel stupid around them!
My brother didn’t walk until almost 2. He never crawled. He turned out to be the intellectual star of his group of siblings and cousins.