Analyze the tweet "yesterday was amazing. thank u #mtv cant wait for the #interview the #irony is 7.10 was also supposed to be my 7 yr anv. plus6yr. #sober" and classify the author's emotional state. The possible categories are: 3: very positive emotional state can be inferred, 2: moderately positive emotional state can be inferred, 1: slightly positive emotional state can be inferred, 0: neutral or mixed emotional state can be inferred, -1: slightly negative emotional state can be inferred, -2: moderately negative emotional state can be inferred, -3: very negative emotional state can be inferred.