OK, so technically there can be sorry in Jiu Jitsu. Just not nearly as often as it gets said. Did you inflict major damage? Say sorry. Did you have a moment and act like a complete dick? Say sorry. But minor bumps and innocent mistakes? STFU and keep training.
I’m a groupie and a gremmie when it comes Jiu Jitsu.
Now before you start envisioning scenes from Almost Famous or humming Gremmie Out of Control under your breath, let me explain.