Ovia Fertility App...

So I’m using Ovia Fertility app to track my periods. I am a few days late & not trying to conceive and I just got so much hate for asking when I should test. Some person said I shouldn’t be having sex, because there’s women out there who would love to conceive a child & here I am hoping for negative tests. All I asked was when I should test I also mentioned I was super stressed out and didn’t know if that could be a factor of my late af.