Today just isn't my day so sick and miserable

I slept most of day after running around with my SO came home n havnt felt right since my stomach is killing me I don't have an appetite I'm tired and now I'm burning up yeah I'm fertile right now but if this is how I feel all week I'm going to not move ugh what is wrong with my body wtf? Thank goodness my SO is home with me cause I feel horrible but yesterday I felt good n my bbt has raised today to omg I seriously can't today I felt better when I was asleep I felt weak n dizzy earlier too opinions.........? I might just go take a cool shower n fall asleep & I feel nauseous too