It is kinda ruining my life lmao. I have never felt this strongly for anyone. When we talk, I can ride that high for days. But then she gives me (what I perceive as) the cold shoulder and the depression I feel... boy. It's been like this for months. I cannot go on, man.
Pour yourself into hobbies, friendship, quiet alone time in nature, and if you have access to it, therapy. Do things that feel good which won't hurt you in the long run