What age should I advise for the viewing of a mature themes scene

its true lolz! I’m not even 18 and I wrote the scene. Personally I don’t find it a big deal, if I did I wouldn’t have written it. I put an age 16 warning on it, and episode aprroved my story so clearly it wasn’t a problem, I understands having the option but I personally don’t think the scene itself needs to be 16+ it doesn’t explain any innapropriate details of intercourse, it just talks about consent, however I do understands why it needs to have an age barrier because some kids may have been sheletered or just may not be comfortable with it.