"just" is thrown around far too much on this site I'm sure my boss and customers will appreciate me saying "it takes as long as it takes", nothing will go wron

"just" is thrown around far too much on this site I'm sure my boss and customers will appreciate me saying "it takes as long as it takes", nothing will go wrong, it's clearly just that simple :) Why not instead of working at all just earn a million a year off the interest from a well performing stock portfolio instead?