Mid-life career changes are tough and starting out as a professional pilot is tough when you’re a young person. When you take on two tough challenges at once you’re asking for trouble. Sounds to me like a bit of a mid-life crisis, I think you and your family are likely going to be happier in the long run sticking with your established career. The romance of being a professional pilot will fade after a few years of character building schedules combined with the low pay typical offered to entry level professional pilots.