Determine the valence intensity of the following tweet, considering the mental state of the author. Assign a real number between 0 and 1, where 0 denotes extremely negative and 1 denotes extremely positive.
Tweet: @fleetstreetfox It's buzzing pathetically for sympathy if you let it out it will twirl it's moustache, chuckle and sting you #Psychowasp
0.452