Barry could explain to his friend that, when persistent, anxiety can do health damage to the point of depression. Therefore, he should explain that a therapist's help can be very effective, as he is a professional who can help Barry's friend identify the causes of anxiety and propose a way to solve this unpleasant problem.
When quantity supplied is greater than quantity demand, the condition that needed for the price to reach equilibrium would be: The price of the product will decrease to meet equilibrium.