At a certain age you just have to accept it's more about undoing damage from careless youth, rather than trying to attain god-like powers XD

Working out definitely has lower returns now than it ever used to. The 'myth' of metabolism turns out not to be a myth too - Eating multiple pizzas and 1.5 litres of coke would keep me skinny back in the day. Nowadays I'd take up an entire sofa after a week of that habit. So let's keep it up knowing everyone else is dealing with the same burden!