major depressive disorde
"I was chronically depressed and had many psychiatrists diagnose me with severe depression, which I had experienced unfaillingly for 5 years. I could identify no cause for my depression, which made it even harder for me since I didn't know what was causing me to become extremely suicidal. I had 4-hour lasting sobbing spells (even when I had otherwise great events happening at that time). I felt gloomy, lonesome, uncared for, and depressed. 
Now I feel content and at ease for the first time in 5 years. I no longer become sad unless I have a reason to- which for me is phenomenal. If good things happen, I feel happy and not sad. I can function better in my work, family life, and simple daily activities like driving or even grocery shopping."