LaTeX keeps pushing text off the document. How do I fix this?

  https://www.reddit.com/r/LaTeX/comments/1ggojxc/latex_keeps_pushing_text_off_the_document_how_do/
 

https://www.reddit.com/r/LaTeX/comments/1ggojxc/latex_keeps_pushing_text_off_the_document_how_do/