17. You still know how to read and learn new things even if you are old.

And old is such a relative term.

I think that calls for a PROST squared.

You know: PROST X PROST = PROST PROST.

If its nice, do it twice.

16. You are half way through a book about a subject...

...you knew was going to challenge your intellect and you just can't go on 'cuz you feel your brain may explode.

Fill that stein to the rim, glass is half full guy or gal.  You deserve to relax and toast yourself for the effort of challenging your intellect AND quitting before your brain explodes.  There's always tomorrow, you know.

PROST!

P.S.  If you would like to recreate this for your self, check out the book below.  And a personal extra shout out and PROST to Stephen Colbert for having the author on your show, which motivated me to read the book.  I love you, Stephan, you BIG dork!