When stan says he feels depressed, dr. Corey changes "depressed" to "depressing" in order to emphasize on behavior.
Behavior is how someone acts. It is a response to things that are happening. Suppose, when internally, it can thoughts and feelings, and externally, it can be the environment, including other people.
It is what a person does to make something happen, to make something change or to keep things the same. Behavior can include depressed behavior, which is the feeling of sadness, tearfulness, emptiness or hopelessness.
Hence, behavior is the actions or reactions of a person.
To learn more about a behavior here:
https://brainly.com/question/21769960
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