MY BOYFRIEND'S VERY CHRISTIAN MOM FOUND THE CONDOMS

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My boyfriend is really sick so his parents came to college to pick him and his car up. My boyfriend left with his dad but his mom wanted to go change his dorm sheets since he's sick. Immediately I freak because I know there's wrappers on his desk and an open box in his cabinet. We go up and I secretly take any wrappers and loose condoms and hide them. His mom then wants to clean his entire dorm due to his messiness, and we tear the room apart to clean it. The cabinet with the hidden condoms was high up so I thought she would ignore it but the last thing she did was open it and saw them. There was nothing I could do. She knows I saw her look while i nervously pretended to sweep. She didn't bring it up with me but my poor boyfriend will get yelled at when she gets home. She took me home but didn't say a thing about it to me. I'm worried. We've been together almost a year, are very happy, and have only been with each other. Any advice? She's very into not living together until you're married, not having sex until you're married, etc.