Task: Examine the tweet to determine its emotional content, assigning it to 'neutral or no emotion' or one or more of the listed emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best describe the tweeter's feelings.
Tweet: @vspearson85 @tjathurman I can do it too, though it also happens involuntarily when I'm really tired or really bored, which is irritating :S
This tweet contains emotions: 