he came inside of me and i’m scared

me and my bf usually use the pull out method on top of my birth control (i’m on the combination pill and take it very consistently, i’ve been on it five months and never missed one), but we got really into it and we both got caught up in the moment and I told him to cum inside of me. he wasn’t thinking straight either and he did. ugh. I regretted it and freaked out immediately after... like I had post nut clarity lol. should I be okay?! or should I take plan B?😭