Assess the valence intensity of the tweeter's emotional state given the tweet: "Blah blah blah Kyrie, IT, etc. @CJC9BOSS leaving Boston is the real news and I am #devastated! #celtics #fave  #someonegetmeajerseyteeasap". Provide a numerical score ranging from 0 to 1, where 1 signifies highly positive and 0 indicates highly negative.