Nervous

Period supposed to be here in four days however three days after period my boyfriend and I had unprotected sex the week of my ovulation window according to eve . I’ve experienced constipation, missionary hurts and I spotted for three days I’m nervous but excited I smelled cookies everywhere I walked passed this lady she smelt like catfish and onions and I threw up right in front of her feet I’m nervous I wanna take a test however if the test is negative I’ll be depressed I don’t know whAt to do