Could I be pregnant??Just had to ask?

Did anyone actually feel that they were not moody at all before getting a BFP? I am usually SO moody the week before AF for no reason at all and I have not been at all. I have actually been in the best mood ever!! Another thing is I have been having pains in my like towards my chest and also my . What do you all think? AF is due on the 4th and this is our 5th month TTC. I am hopeful!!