How can therapy help someone heal from betrayal if they choose not to learn all the details?

As writers, do we grow as writers our whole life, unlike other professions that we can do only while we are young? Any thoughts?
I don't know what am I feeling right now. I just feel so empty, sad and misunderstood. What is happening to me?
I usually feel drained after work. What do you do to unwind without spending much money?