Assess the sentiment intensity of the tweet "EEEEEKKKK!!!!\nProduct LAUNCH 😍✋💖\nI'm am literally B•U•Z•Z•I•N•G!!!\nSingle sachets 😍😍\n \nMessage me for yours! 😜🙆💜#loveyourlifestyle #shakes" based on the author's emotional state. Present a numerical rating between 0 and 1, with 0 being extremely negative and 1 being extremely positive.