A little scared..UPDATED

Please no negative comments, I know it wasn’t the smartest decision...So yesterday my bf decided to cum in me, I’m not on birth control, so i told him we had to go get a plan B pill. I took the pill, then ate some Panda Express, but as soon as we got back from panda I threw up because it left my stomach uneasy. Knowing there was no way it could have gotten in my system by then, I freaked out... so he’s buying me another one today when he gets off work..... do you think it will still get the job done?

UPDATE:

So I wake up, go to the bathroom to pee, and I have brown discharge in my underwear and on the toilet paper... this app says I’m not supposed to start till another 3 weeks, could this be implantation bleeding? Or... it’s just my body reacting to the pill? Idk...