Hi 5chatzi it sounds like you would benefit from therapy don't think you would be wasting a professional's time that's their job to listen and help you. I do not think it is a "normal feeling" to not want to exist but rather is a symptom of depression. Depression manifests many different symptoms so don't worry if your symptoms don't match your expectation of what depression is. IMO the feelings you are having are a hallmark of depression not in spite of having so much "good" in your life but because of it.

Good luck.