Often it's the case that those who learnt to program at college/university at the age of 20 are unsettled by their peers who at 30 have two decades under their

Often it's the case that those who learnt to program at college/university at the age of 20 are unsettled by their peers who at 30 have two decades under their belt, having spent their fertile years from 10 or earlier programming. By 20 I'd already been writing code every week without fail for a decade. Now I'm at > 70%.