it never ends!

so I'm supposed to be editing down my chapters for my thesis. But instead I keep writing more! Just when I think I'm done with a chapter... something happens and I find out I'm missing something and end up writing an extra 2 pages. AHHHHHHHHHHHHH!!! I'm the last person on this floor and my office is a mess and I'm so tired and !)*^!(%&!IP%I!)^%(!$^(!$*__((!*%^!%!@%@&#%(%!!!!!