Classify the emotions found in the tweet "I am more comfortable here at the Dove House than I was in my own home for 24 years. This is HOME &amp; I am very grateful. #dove #indy #sober". Select from the following: anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust. If the tweet is emotionless, reply "neutral or no emotion".
joy, optimism