[{"role": "user", "content": "I've recently been studying Italian and I'd like to know how to express the phrase 'I'm not myself' in Italian."}, {"role": "assistant", "content": "Congratulations on learning Italian! To express 'I'm not myself' in Italian, you can say 'Io non sono me stesso.' This phrase is a direct translation of the English phrase and is commonly used in Italian to convey the same feeling."}]