The metre in the middle does a good job of conveying a more hysterical feel and the relentless use of rhyme actually works because of your dedication and lack of fear to repeat words to rhyme. You do it skillfully by adding some spacing between the repetition of words. Additionally though, the repetition around

Depression leading to desolation

does a good job to tie the whole cyclical nature of these emotions together. Thanks for sharing your poetry! Hang in there bud :)