And I expect that his income will remain good. There's something about being able to say 'no' that puts you in a position to snap up the really juicy work.
I'm going to refrain from writing something offensive. Suffice to say I find your attitude distasteful.
Now, the fact that they aren't working lowers their costs; but still, the amount of money they have now is significantly less than what a typical couple would earn between now and when they retire.
I don't see anything distasteful in questioning the arithmetic here at all.
If you get to this kind of logic, you will lose around $50k from slacking out during lunch through your lifetime (15m a day, $20/h).
To put these $1.8m in perspective, that's just a tad less than the amount of savings one in the top 0.5% might have after retirement: http://sociology.ucsc.edu/whorulesamerica/power/investment_m...