Task: Identify the primary emotion conveyed in the tweet and assign it to either 'neutral or no emotion' or one or more of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best capture the tweeter's mental state.
Tweet: It's a good day at work when you get to shake Jim Lehrer's hand. Thanks, @keratx! Still kicking myself for being to shy to hug @mcuban.
This tweet contains emotions: 
joy, love