What are some good books on attention span and how to increase it?

What are some good books on attention span and how to increase it?

Other urls found in this thread:

youtube.com/watch?v=U8gIj5FwdSw
jewishquarterly.org/issuearchive/articled325.html?articleid=38
twitter.com/NSFWRedditGif

Adderall: Users guide

Isn't that the chick who likes Pessoa and Schopenhauer?

She would be so beautiful without those tattoos and the prolapsed rectum. Why do girls do this to themselves?

I only know that she is the chick that got waterboarded with piss and cum smeared into her eyes. A real keeper that one.

sauce?
I mean, proof?

That's just an average day for the 21st century woman

without amphetamine I would've killed myself. People think that we can only see the material, the physical, but those round pink pills are literally the qualia of happiness localized in space.

Focus is a muscle, how do you train a muscle?

Steroids?