When you scroll through twitter an see blood seeping CP bruises, dicks with 100s of needles in them, extreme mummification... these are practices by kinksters with years of experience. I guarantee you they didn’t learn by watching porn
Limits are sexy. Over time soft limits will be pushed and expanded but that’s only when you have built up a trust between those playing, and not just a trust but an effect way of communicating. Communication is KEY in all BDSM play. That’s not showcased in porn enough