"It felt like I had been hoarding a lot of useless stuff in my mind and never being comfortable in my head, while MDMA was the clear-out I needed."

I know exactly what you mean. You hit the nail on your head. It's like "Oh, why do I spend so much time worrying about little things". It just grabs the shit and dumps it out. It's the greatest perspective on life and love and the best way to reorder your priorities.