To avoid the tedious collection of pseudoephedrine required for production, Jesse and Walt devise an alternative chemical process utilizing methylamine, giving their product a distinctive blue color. Walt's scientific knowledge and dedication to quality lead him and Jesse to produce crystal meth that is purer and more potent than any competitors'. Jesse worked as a small-time meth dealer and distributor with Emilio and his cousin Domingo 'Krazy-8' Molina before he was enlisted by Walt, who at that point knew nothing about the Albuquerque drug trade, to to sell the meth he produced.

His closest friends in Albuquerque were fellow small-time drug users and dealers Skinny Pete, Brandon 'Badger' Mayhew, and Christian 'Combo' Ortega. He talked in playful slang, played video games, listened to rap and rock music, took recreational drugs, and drove lowriders. During his adulthood, Jesse became impulsive and hedonistic, but was financially ambitious and streetwise. Wynne High School, though despite his poor academic standing, was able to graduate and received a diploma. In high school, Jesse was an indifferent student in Walt's chemistry class at J. Jesse was born into an upper middle-class family in Albuquerque (consisting of his father Adam, mother Diane, brother Jake, and aunt Ginny), but his relationship with his parents would often become strained due to his frequent drug use, which later resulted in Jesse being kicked out of the Pinkman home. Alongside catalyzing Walt's drug empire and being the second biggest player in it after Walt himself, Jesse was also the leader of a short-lived meth distribution chain which his friends and fellow meth distributors were also a part of. Originally a low-level methamphetamine dealer who worked with his friend and fellow meth cook Emilio Koyama, Jesse is best known as the former business and meth cook partner of his former chemistry teacher Walter White, teaming up with Walt for two years to help him manufacture chemically pure crystal methamphetamine so Walt could provide for his family (his wife Skyler, son Walt Jr., and infant daughter Holly) upon his death. Jesse Bruce Pinkman, also known by his clandestine pseudonym and business moniker Cap'n Cook, is a former chemist, manufacturer, and distributor who worked in Albuquerque, New Mexico, currently residing in Haines, Alaska.

― Jesse upsettingly yelling at Walter White while in a hospital bed. I'm nothing! Why would you want me, huh? You said my meth is inferior, right? Right? Hey! You said my cook was garbage! Hey, screw you, man! Screw you!

I am not turning down the money! I'm turning down you! You get it?! I want nothing to do with you! Ever since I met you, everything I ever cared about is gone! Ruined, turned to shit, dead, ever since I hooked up with the great Heisenberg! I have never been more alone! I have nothing! No one! Alright it's all gone! Get it? No, no no, why? Why would you get it? What do you even care, as long as you get what you want, right? You don't give a shit about me! You said I was no good.

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