Why would someone fuck up their own life for no apparent reason?
Mental illness. Next question!
>>17687488
Because whatever they did seemed like a good idea at the time
>>17687488
>>17687500
This basically is the root cause of it all.
Drinking, drugs, etc.
Boredom
A need to feel important by creating significant problems for themselves
Sometimes you've just got escape and sometimes that requires starting at step 1 again.