Hmm....VAT, would you like short stories explaining Wither's mental state at certain times? I ask this due to the length I would want to go would be further than five paragraphs. :3
If you didn't know that, you may need to re-read the rules. As that is part of the VA rules, and VA rules are quite important to know when going for a VA.
The bio, is for your reasonings, what happened to your character, and when, to make you need the evils you are applying for. If those stories did/don't affect the reasonings behind you needing ___ evils.