sore breasts are playing

everytime i feel my boobs are sore and hurt i think im pregnant but i get my hopes up because my period will start and the soreness will go away😔😔like stop playing with me boobs!!!!! what does actually sore breasts feel like when you think ur pregnant ??? i get sore breasts like for 2 weeks straight before period and its so annoying because im thinking im pregnant but im not 😰and i want to be. i don't understand