Evaluate the valence intensity of the following tweet, considering the mood of the tweeter. Provide a score between 0 and 1, where 0 indicates very negative and 1 indicates very positive.
Tweet: Blah blah blah Kyrie, IT, etc. @CJC9BOSS leaving Boston is the real news and I am #devastated! #celtics #fave  #someonegetmeajerseyteeasap