It's okay to vent...that's what we're here for...we understand...we're all in the same boat!!!
Don't worry about
celiac...that's one that you can treat without any meds whatsoever and be fine. Your only med is to stay off gluten...and although difficult at first, once you get used to it, it's not a big deal.
I have a 21 year old son who has celiac...and he's been gluten free since he was 14 (after a bit of a bumpy road when he was first diagnosed and was "cheating").
He is healthy today, no issues whatsoever (and he had several prior to going gluten free)...and he has no problem with the gluten free.
I don't know much about
the MTHFR gene - as I haven't been tested for it...but probably should.
Hang in there...and vent as much as you want. We'll listen.