I had thought I wanted to be an artist from age 17, and I thought I was 'serious' about that goal, but I think it wasn't until 2008 that I finally started putting in work as if I was serious ( 12+ hours a day drawing ). I was 24 at the time. Here are the files:
https://www.dropbox.com/sh/a172a6hpb8l36z8/AAD_iQsJG9tW0wQqGycQ_J1Ia?dl=0