I get the feeling the song is about someone making mistakes all the time and not learning from them. Ruining all the good things in life by repeatedly screwing them up. The inability to cope with the mistakes the person has made leads him/her to depression over the memories.
The frustration goes on to the point where if it happens once more, the person will end their life. Unless a miracle happens and they finally get it right.
I get the feeling the song is about someone making mistakes all the time and not learning from them. Ruining all the good things in life by repeatedly screwing them up. The inability to cope with the mistakes the person has made leads him/her to depression over the memories.
The frustration goes on to the point where if it happens once more, the person will end their life. Unless a miracle happens and they finally get it right.