Seriously! Eighty percent! And it seems like only six days ago it was sixty percent! Math is a cruel mistress.
If the above is an apt metaphor for your WiP in its current state, congratulations! You are doing NaNoWriMo.
1) How many words will you write in the next six days?
2) How much will you write after that?
3) What's your favorite part of your book so far?