im planning my pregnancy but i don't even know if I'm pregnant yet lol.

It's normal. I had it my second trimester and again my third.. It happens

my temp is only 99.1 so no fever but i feel so warm lol

Yes.

i randomly got diarrhea yesterday and its a teeny but worse today but if it's caused by sickness what i ate for lunch would have made it so much worse lol

yes