plecebo week

okay so iv been in birth control for a month and my boyfriend and i have been having sex but still using protection and he even pulls out when he cums so i know there is a low chance but im on the second day of my plecebo week and its kinda giving me anxiety that i havent gotten my period yet. i have a friend that takes bc and she says she doesnt get it till the middle of the week so im thinking maybe it will come then but i have to much anxiety waiting. what time in the week do you guys get your period on plecebo week? im sure ill get it but i overthink so much i had to post on here talking about it.