13 DPO ... Need Answers

Steveania • Wife 💍 | Mom 🤱🏽💙🩷 | TTC baby #3 🥰
Im 13 DPO , I took three tests & they all say negative. But I have back pains here and there , thirsty for nothing but water , peeing a lot , & a little nasueated. And my boyfriend says Im being too sensitive . Also I have blue veins on my boobies .. What you think??