Task: Determine the prevailing emotional tone of the tweet, categorizing it as either 'neutral or no emotion' or as one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that most accurately represent the tweeter's mental state.
Tweet: Turns out 'it' wasn't even anything to be concerned about at all. Im happy and a bit frustrated it took so long to get this answer.
This tweet contains emotions: 
anger, disgust, joy