Ryan's social phobia has led him to lose jobs and relationships. in this case, ryan has a disorder because his behavior is:

Ryan's experience indicates that he has a disorder because his behavior can be described as dysfunctional or maladaptive. Dysfunctional behavior is behavior that interferes with a person's ability to perform normal daily activities and can impact their quality of life. In Ryan's case, his social phobia is severe enough to lead to job loss and difficulties in maintaining relationships, which are significant aspects of daily functioning. These consequences demonstrate that the phobia is not just a minor inconvenience but a serious issue that is disrupting his ability to lead a typical life.

Extra: Social phobia, also known as social anxiety disorder, is characterized by an intense fear of social situations where one may be judged or scrutinized by others. This fear can be so overwhelming that it impairs the individual's ability to engage in everyday activities such as working, attending school, or socializing, which are fundamental to personal development and well-being.

When someone like Ryan experiences social phobia to the extent that it affects major life areas, it meets one of the key criteria for a disorder as defined in the field of psychology. These key criteria typically include distress, dysfunction, deviance, and danger. A mental health disorder is identified based on its deviation from the norm (deviance), the distress it causes to the individual or others, its potential to be dangerous, and the dysfunction it causes in an individual's life. A mental health professional would usually use these criteria, as listed in diagnostic manuals such as the DSM (Diagnostic and Statistical Manual of Mental Disorders), to diagnose and help treat individuals like Ryan.