Early signs? Too early for symptoms?

AF is due on 01/17 but since New Year's eve I haven't been feeling well. I've been having nausea waves, haven't been throwing up but can't stomach food after a few bites, some cramps, a lot of burping, very sensitive to smells, and this week I feeling bloated but not like a period bloated, like all around my stomach. Does this sound about right? Wouldn't it be too early for symptoms?