Examples:

• I love our new thing. What are you thinking about?
• What are you thinking about, slugging your own brother?
• What are you thinking about that you have a smile on your face?
• What are you thinking about, Mr. Grissom?
• What are you thinking about, kosher Amanda?
• What are you thinking about when you look out there?
• What are you thinking about when you look at the snow?
• What are you thinking about right now?
• What are you thinking about now, Delbert?
• What are you thinking about me?