TATTOOS.ORG - Serotonin: Happiness Submit Your Tattoo Here:...
from left to right: serotonin (a happiness hormone) and dopamine (a love hormone)
Dopamine and serotonin molecules by Courtney O'Shea Everlasting Tattoo San Francisco is you STEEN
Dopamine and serotonin tattoo
"millenium falcon" by tim hobday.
Rebellions are built on hope - Jyn Erso Rogue one Star wars Printable
My Star Wars wrist tattoo ❤
Nº54 "millennium falcon" More