"a one time thing and that she may never have another "episode" again." That sounds to me like he's thinking in terms of some kind of fit. Hew sounds like a nice guiy, but nokt too sure what's going on, and casting around for what to do and say.That doesn't mean he may not be quite right.

It might be a good idea to get on to some kind of helpline or advice service run by people with MS and their families. That way you could be talking to people who have been in this kind of situation, worrying about whether it's MS or what.

I see from the Mudcat resources that you are in the USA, so I wouldn't know where to start looking for that kind of thing, but I'm sure it exists. The professionals are important, but they aren't the only experts.