I'm pretty sure I don't do remorse. I also attempt to completely suppress and avoid regret. Those two emotions have more potential to throw me into a quicksand-like downward spiral than anything besides shame.
If I screw up and I know it, I will usually try to take a quick glance back to see if I can learn anything for future reference, but it has to be quick or I will begin to fixate and I can't afford to do that.
It's not healthy, but amputation is better than dying of gangrene. Everybody has flaws. That's one of mine. Sometimes there are people for whom my lack of those qualities and other negative qualities make me a negative agent upon them. I respect their desire to steer clear.
Probably my husband, children, and brothers are the only ones I would risk the quicksand and only then if I was convinced my not doing so was causing long-term permanent damage. Maybe I will be more mature and comfortable with risks as I grow older. I certainly hope that will be the case.