when you are a kid, you get ‘dared’ to step up, which you inevitably do and progress.
As you get older, you may improve with your group of buddies, assuming they are still pushing the envelope of course..
Most people who have been on said skills courses are more than impressed with what they have learnt.
Now if someone did a ‘how to manual all the way to the pub’ course, I reckon we’d all be up for that!