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Serotonin molecule tattoo, it's the chemical that produces happiness reminding me that I literally create my own happiness and nobody else does

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2016 please bring me vitality & serenity❣ #serotonin #tattoo done by @joshjaehnig ps don't tell my parents

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Instagram media by bluamaranth - Watercolor DNA, serotonin, and dopamine molecule tattoo. Very fortunate to be able to do something like this that means so much to someone.

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46 Fantastic Forearm Tattoos for Women With Style

By @mariafernandeztattoo “Basically what my cats do all the day long. Wannado tattoo, made @vadersdye .”

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Chemical structure of adrenaline. I live for the feeling of adrenaline rushes. Done by the amazing Brian Hemming at Regeneration Tattoo in Allston, MA. // for boys <3

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