Screw these analogies.
What he's saying is...



you are going to be so bad
at art the first time...



you don't want to show your art
to lecturers..



'cause they'll think
you're a weirdo for being
so lame at it.



You want to do art
in private first...



so that by the time
you get to the lecturers...



you're not terrible at art,
you'll be mediocre at it.



Probably still
pretty bad, though.