Yeah that Tren will make you feel like your hearts going to explode....( you have to inject it the rite way)it didnt happen all the time. but i used to poke at work until one time i got burned so bad that i was in the stall and i could fuckin breath..i was clutchin my chest man i was beyond tears and shit. i fuckin lost it i was trying to get my self together before anyone came in the bathroom. i mean i really thought it was coming to end. and i did know what to do so i fuckin flush my gear, syringe and everything down the toilet just in case i passed out...i didnt want people to see my ass leakin blood and me lying on the floor at work so screw that shit. i was fucked up lol the shit scared the fuck out of me.. i sat in the stall for 40 minutes....after i got my self together...lol