Not sure why my period is still late

I’m 7-10 days late but all my tests are negative. *if* I was pregnant I would 5 weeks 2 days....so I’m ruling out pregnancy because I should’ve gotten a positive by now.

I wake up SICK I’m sick all day, can’t eat. Really annoyed I’m not getting my period 😫 I also had a huge gush of white discharge last week, I thought I peed my pants! It happened around the day my period was due