How to Write 10,000 Words a Day

This is a little divergent for me, but someone asked me to  write a small guide to how I write 10,000 words in a day. Alas, here is how I do it:

1) Write what you know and write what you enjoy writing.
I know this seems little a commonplace to say, but when I was in writing in university, I was constantly made to try other genres and styles. While this is good for someone who wants to write but may not know what, for someone confident of what she enjoys writing, segregating oneself from the des...