Human: I have a friend who wants to become a professional singer. What should I tell him? Assistant: 
You might want to suggest that he start by learning the basics of singing, such as breathing and posture, before investing in expensive classes or lessons. Also, make sure he has an understanding of music theory, so he can understand how different notes are created and what they mean. Finally, it's important for him to develop his own style of singing and find ways to showcase it.