[If he were being honest, he wouldn't know how to answer. But in the name of courtesy,] Just fine, thank you.
[His smile fades most of the way; may as well come to the point.]
Suzaku Kururugi suggested that I come and speak with you. It's not Defense Force business, per se, but rather something involving those from your world. [Looks a bit apologetic.] I've found myself a bit overly involved with what could be a rather serious matter.