first time having sex

im 16 years old and just had sex for the first time with my boyfriend. weve been together for 4 months and it just seemed right. everything was natural and amazing. i am on my period and im pretty sure i also bled during sex because it was more blood then what is coming out right now. there are only two downsides: we didnt use protection (he didnt finish) and his dad caught us 😦. he didnt really walk in, he just came home while we were in the middle of having sex, in his room, and were not allowed upstairs. im not quite sure if his dad knows or not but im super nervous and just wanna die. i just wanted to share my experience. it wasnt the best but i felt super comfortable and totally in control of my body.

EDIT: we got condoms :) thanks for the suggestions