Well, most of the world's leading psychiatrists and neurologists would disagree with you. There has never been any evidence whatsoever that it is a chemical imbalance.

https://www.psychiatrictimes.com/view/debunking-two-chemical-imbalance-myths-again

https://www.bbrfoundation.org/content/moving-beyond-chemical-imbalance-theory-depression

https://www.scientificamerican.com/article/is-depression-just-bad-chemistry/

https://www.chconline.org/resourcelibrary/is-depression-caused-by-a-chemical-imbalance/

I'm sorry you find my comment offensive, but then, again, I can't help it if you find facts offensive. I only deal with facts. How you deal with facts is your business.