Analyze the tweet "Boy oh boy! our weekday schedule is crazy! But no matter how tired I am I do whatever it takes to keep the smile on Kai's face from a frown" and indicate which emotions from the list (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) are expressed. If no emotions are found, answer with "neutral or no emotion".
joy, love, optimism