Ricky has dealt with depression his whole life, that's just a known fact. What no one does know, is how much this hurts him. After his girlfriend broke up with him, Ricky was forced to keep a strong face, to keep smiling, even though his brain is slowly killing him.
Chris has the same problem, almost, Chris broke up with his girlfriend. But that doesn't change his hurt. He is also forced to put on a fake smile.