[header] How to deal with catching your parents having sex [title] Check if they noticed you. [step] In this scenario, you are the intruder. Whether you came home too early, or you didn't knock, knocked and walked right in-you are the one " disturbing. 
" [substeps] Stay calm and take a deep breath. Figure out your exit strategy-how far is the door, and how silent can you get to it? Make a quiet exit.