Oh goodness. My wonderful friend (RIP Anna Paskevska...
http://tallskinny.com/anna/cv.html) once told me (after I told her I hated my poem I'd just read aloud), "My darling, never apologize, never explain, never excuse. Leave that to them. Just make your art." Great advice! And yet so many of us excuse, explain, and apologize in our conclusions. Don't excuse yourself by saying you're not a writer. Don't explain that you hate essays. Don't apologize for writing something stupid. Leave that to them. Just write your essay.