Am I crazy or..?

My fiancé and I had sex the day of my ovulation and the day after, unprotected on the 29th-30th of Jan. I was supposed to start my period on Feb 11th. I’m late and tomorrow will be the 17th. I suspected pregnancy when I randomly bought a mini chocolate cake on my way to work, I hate chocolate! Last week around the time I was supposed to start I had cramps but no bleeding. My boobs are getting sore here and there but not constant. I’ve been extremely exhausted, increased milky discharge, bloat, nauseous, dizzy and hungry like crazy. So after all of this I finally decided to test on the 14th and 15th which is 3-4 days after my expected period. Both tests came out negative and they were digital. I never skip periods. My cycles are usually around 30-32 days... am I crazy or what? Lol I feel like I’m pregnant, I read that some should wait a week after their expected period until they test. Did others have this issue before getting their BFP???