Make A Picrew

how tf do you make your arm not numb and sore, i cant read my manga without having to move my arm so its comfortable or rolling on it and screaming of pain into my pillow(its my left arm btw+first shot) like damn, i knew i was going to be sore but not like this... But fr how do you make not feel like this? Oh and is the second shot worse???!(￣∇￣")

+Can change skin color
It has neon vibes
https://picrew.me/image_maker/437354