ttc baby #1

I know many of you will say it cannot happen this fast but then everybody is different and you just never know... the fiance and I BD 4 nights ago and these pass few days I have been cramping and also craving things. I caught myself craving and cramping, it's weird because my body isn't like this. My fiance thinks I've been weird..he would see me in the kitchen making something weird and ask me why I'm eating this and that lol. Is there anyone that's had these symptoms and curiosity and got a bfp when testing? I would like to know if it's possible! 😊