It's amazing what we grow to see as routine nowadays. We were just finishing dinner: I was sitting talking with The Boy, and Mommy was attending to Younger Bro. I saw The Boy make THAT face, and - without thinking about it - I held his plate under his chin and caught his vomit. Mommy instantly got the Zofran ready, even though that's closing the barn door after the horses have already run away. She gave him the Zofran, I got him a new drink and a plate of Rice Chex.
No muss, no fuss. The only one that was upset was Younger Bro, because he Was looking for Mommy Snuggles.
I'm still sitting with him, and he's eating the aforementioned Rice Chex and some rice cake with honey - just the thing to settle an upset tummy.