Myself, I note that Brahms was well into composing the second movement of his great Requim at the age of 21. Liszt, was 21 when he met Pagannini and began his brilliant career as a pianist and composer.
Brahms and Liszt have a lot to answer for!
For those of you whose first language is not English, i.e. Americans, Ozzies, etc, the above mentioned are Cockney rhyming slang for 'pissed', meaning drunk.
Why do the elderly so despise the young?