some advice: wear a helmet, and ... choose your neighbors well

A successful Fox Chapel resident rode a bike near his home without a helmet, and was found unconscious on the pavement. It is assumed he fell and hit his head. He died four days later. He was not wearing a helment.
Post-Gazette news article.

He was a strong bicycle rider. Obituary

Five months later, in an effort to help the widow and her three children, obviously in emotional distressed, the next-door neighbors purchased their home for the sum of One Million Dollars, a nice number with lots of zeros. Sounds like a nice fairy tale, the kind you find on the Disney Channel, but this one is true.