Here is a detail of the back of Frank's skull. Frank kept all his thoughts bottled up inside because he was ashamed of them. Depression fooled him into thinking his thoughts were unwanted. Frank's mind was full of beautiful things but depression and social shame wouldn't let Frank let his thoughts free.
350,000,000 people suffer from depression worldwide!!! 350 Million!! You are not alone. Talk about depression. Change the social stigma of what depression is.