Task: Analyze the tweet's emotional connotations and classify it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best portray 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