Weird body problems

The past couple of days I have felt nauseous (seems routine since I want so badly to be expecting) bloated, short tempered and have acne which I never have acne. My back has been hurting so bad and not to mention also having headaches. I am not regular to add to this. My app says AF will visit in 5days, well I feel so out of sorts I think I might start today and sure enough I had color during the middle of the day. But before I saw color I was feeling real nauseous and bloated so huge, and just after dinner I threw up all my dinner.... Somebody tell me that AF is about to be in full swing and be ready to try again next month.. Am I just weird?