Assess the valence intensity of the tweeter's emotional state given the tweet: "me taking a picture by myself: *awkward smile*\nme on picture day: *awkward smile*\nconclusion: stop smiling ;'(\n#pictureday2016 #smile #ornot". Provide a numerical score ranging from 0 to 1, where 1 signifies highly positive and 0 indicates highly negative.
0.500