Sheldon calls Dr. Beverly Hofstadter

s10e18 Sheldon calls Dr. Beverly Hofstadter to help him puzzle through his emotions. Leonards mom tells Sheldon that he is obviously using his old bedroom has an escape hatch. Clearly, hes worried about being trapped in a relationship with Amy forever. That bedroom is his safety net. Then Beverly pinpoints a problem with her son and his wife. Why is it that they are always trying to take on roommates Are they avoiding harsh realities themselves