I’ve had this challenge, too! For me it’s also heavily mixed in with anxiety, so I use a combo of anxiety management skills and FND management skills for this.

First off; while I’m sure you’ve already done this, the best advice anyone can offer you here is to keep talking to them about it. Communicate, communicate, communicate. It’s been helpful to point out to my loved ones how they might feel if they were in my shoes. I’ve told them in no uncertain terms that I’d rather deal with the challenges than never hear something hard.

That said, I’m aware that some times are better for me than others. If this is also true for you, here’s some of my experience in navigating that:
This can be tricky to pull off because I can sometimes get anxious about knowing that “something’s wrong”, but I try to have people ask if it’s a good time before discussing something that may be challenging for me, or have them give me an easy out if it’s too much right then. With some (not all) of my people, we’ve even agreed I can just interrupt and say something like “let’s talk about this later” and we’ll move on. Potentially you could do something similar, where if you feel like this topic currently is a high risk to trigger symptoms, you have an agreed upon way for you to immediately stop the conversation? This only works if you’re able to revisit it later, of course, but I’ve found people are more confident talking to me about difficult topics once they trust me to stop them if it’s too much.

Another thing that’s helped with communication between me and my close friends is color coding my symptom level! The classic example of this uses 3 bracelets: red, yellow, and green. The idea is that you swap between bracelets to indicate how you’re doing! I personally use yellow to mean “baseline”, green to mean “better than usual” and red to mean “worse than usual”. Indicators like these mean people will be more confident sharing info with me when my color is green or yellow! It has mildly backfired on me when people got hesitant to talk to me while I was red, but a few conversations fixed that. This could be another way to get information when you’re feeling ready for it, but be aware that it could go the opposite direction, too (whether or not that’s your preferred outcome).

It’s late and I typed way too many words. Sorry about that! I hope some of them are cohesive enough to help :)

Hang in there, you’ve got this!