Nice work, I salute you ! I use Stack Overflow pretty much everyday and would be a bit lost without it, and am hugely grateful. On the other hand, I have never really had the drive for a start up or to put the super hours and extra hard work in. I like to think I've got a reasonable balance though. I work around 40 - 45 hours a week tops and am lucky enough to live within 20 mins drive (45 mins cycle) of work. I had kids later in life (I'm 45 now with a 2 year old and a 4 year old) and I came to the same conclusion as you - that I would be cheating my kids if I was always at work. Sure it would be great to have more money and more shiny things and separate bedrooms for the kids and better holidays etc. etc. etc. but, at the end of the day (apart from it getting dark), there is more to life than money and work. My kids would rather have Dad at home playing with them than Dad at work and bigger, better toys and a bigger better house to play with them in.....