There’s been several, but the one I will mention is from his working years. During his career, he always had a pension to look forward to, at the time of retirement. Unfortunately, he was informed that the pension would be replaced by a 401k , just a few short years from retiring. The company was going to move his pension money into the 401k and it would be his responsibility to manage his money. Dad was a pretty sharp man, and decided to invest aggressively, and it paid off quite well for him and Mom. They have enjoyed a comfortable retirement for many years, thanks to his overcoming a huge obstacle!