What would cause losing time reversibility? I don't see any irreversible aspects. I don't doubt you know what you're talking about, I ask because I'd like to un

What would cause losing time reversibility? I don't see any irreversible aspects. I don't doubt you know what you're talking about, I ask because I'd like to understand more. I think in the idea I mentioned up time would stop in black holes. All of the information would be preserved. Anyways, not a physicist.