Super Paranoid, please give advice 🙏

so two weekends ago, my boyfriend and I had sex, used a condom and never realized it broke until after he already came inside me. I immediately went and sat on the toilet to push the stuff out and then went to buy Plan B and took it right away that same day.

I wasn't super worried about being pregnant until a dream about receiving baby gifts woke me up and left me scared out of my mind.

Am I being too paranoid?