"Part of that is in understanding what the safeties do and do not do," T'Yel observes. "Disabling safety protocols is inexcusably stupid for anyone on the ship - it just happens to be slightly stupider for her. But the safeties aren't a magical protection from every injury - they're a protection from holographic objects and mild encounters with artificial gravity - an impact with another human skull will still hurt. Plenty of people don't understand that - as evidenced by the fact that she set the safeties to a level that would have you or me roughed up but not seriously hurt, and thought the computer would take the hemophilia into account. Unfortunately, it simply isn't that smart."

She shrugs. "Given that my single largest risk factor lies in my ligaments being a disaster, the safeties won't protect me from that. I don't tell everyone I spend time with in the holodeck that I have Ehlers-Danlos, because, quite frankly, I value my privacy - you're one of two people on this ship who knows about it, and I'm married to the other. I wouldn't be so open about the neurofatigue, either if it didn't tend to become painfully obvious that I'm a freak of nature within about five minutes of meeting me. But I also show a damn sight more common sense about what I choose to do in the holodeck. I don't fence without a knee brace, and, much as we would otherwise both enjoy it, I don't join Cal on the judo mat because I would likely manage to dislocate my... everything. By that argument, she needs safeties up, holographic weapons only, and don't try to punch anything that isn't a hologram. The fact is though, she's right that a holodeck with safeties all the way up is no more dangerous for her than tripping getting up to pee at two in the morning, and a good deal less so than the helm console exploding in her face in a firefight. Just like, sure, I could manage to throw a knee out in the holodeck - but I'm also quite capable of dislocating a shoulder by sneezing while putting on pants. That was just about as much fun to explain to my CMO as it sounds like," she smirks.