You are living through one of the scenarios I've hoped would never happen to me. IBS attacks can be so relentless, so severe. People, in general, fail to understand just how severe.
I am sure your husband does understand, as he has seen you suffer through IBS attacks.
We can surely feel dysfunction al when we miss an important event due to IBS.

Why me and why now?
Be kind to yourself. You are going through hell and deserve compassion, too.
So glad your hubby is okay!

WC