Same here, unfortunately -- grades and such come first. DX That and I got a massive case of writer's block after 7000 words. Plus my characters were boring as heck and unbelievable; I need to go back and remake them.
I got to 15,000 and then Accel English started kicking my butt. I'm in ninth grade taking a tenth grade english so sometimes it's kinda hard and sometimes it's really easy.
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"Well get there if its where we want to be and if not, well then I guess we never really lost anything in the first place."
I have a couple of ideas floating in my head. If you hit a writers block, or just can not come up with an idea, there is no pressure. If it's writers block, from your book for some time, do something else for a change.