So, I've had many challenging clients over the years in my real estate career, so to name one would be... The challenging clients, you just have to be patient, be kind, know that their situation is usually, if they're challenging, maybe they're testing you, you just have to be, you know, give them the correct answers and be considerate and patient and kind. I've had all different kinds of wacky situations, so you just, again, be professional, period.