Inner muse: That sentence is a vehement declaration. It needs an exclamation mark not a period.
Me: Does not. He is simply stating his displeasure.
IM: For Pete's sake, He is yelling!
Me: And so are you! Stop! If I put one there, will you kindly shut up?
IM: Maybe if you will kindly admit I am right.
Me: I'll think about it.
IM: That word is spelled wrong.
Me: What word?
IM Their it should be there as in "That ball goes there, in the box."
Me: I see, you're right.
IM: You don't homonise well do you?
Me: Is that even a word?
IM: It is now.
Me: Fine, I really don't need you. I do have spell check.
IM: Ha, it doesn't find the missing quotation marks and trust me there are many.
Me: GO AWAY!
IM: There perfect use of an exclamation point. You can be taught!
Me: Why you little...#$%^&