What do you say?

Dave's just come back to work after being unwell with mental illness. Chad, his colleague decides to ask him how he is. How will Dave react?

Sure, you can pick holes in this TV add for the grey colours and cheesy lines, but it makes some important points... Would you do any better? How would you handle this situation? Is it a 'situation' or part of normal life?!
Rob Waller, 14/08/2011