Just chiming in here with my experience, it took me 2 years to recover from my first symptoms in 2020 (unable to use my hands due to pain) and after that, it took around a month to knock the following symptoms back like whack-a-mole. Now it takes a few days, less when I actually sit down and do the work, which during a busy life can be hard to clear time for.
Not only have I come to the realisation I've had TMS my entire life and didn't know it, but it is very easy to pinpoint when it will show up again for me personally. It's always stress. I can go months and months and be normal, then something bad will happen, it can be death, a breakup, or even someone annoying me at work: then just like clockwork, the symptoms will start the next day. It's so rote now, it feels weird when TMS doesn't show up after a stressful period.
I consider myself as recovered as possible, and I've come to terms this is a game I will play with my brain for the rest of my life. But it's so normal it just becomes a little irritation for a few days, like an insect bite, and then it goes away. It doesn't stop me from living like it used to. In fact, since discovering TMS and learning how to cope with it, I've achieved more in the last 5 years and conquered more things I'm afraid of than ever. It's made me a more resilient person!