Why Autism Stinks... Literally

OK - so here is a difference between kids who are typical vs. those with autsim:
Zach threw up yesterday.
In the living room.
On the nice new wool rug and glass coffee table.
He told not a soul.
I found it today all dried and hard and impossible to clean.

Yuck yuck yuck yuck yuck yuck yuck yuck yuck yuck yuck yuck yuck yuck yuck yuck yuck.

Have you ever tried to clean dried up barf before on your lovely slightly delicate formal living room decor?

Zach likely came in where I was right after doing it. A kid with typical communication and social skills would have told me "I barfed" or "puke" or at least "I don't feel good". Zach likely jumped around like a little Tigger and asked "chips" or "tings" immediately afterward. No warning, no notification.

As I was cleaning (or attempting to clean) the mess, Sophia came in the room and announced that "the troublemaker is now Mr. Stinky Pants". By age 3 we had Sophia potty trained. When can we expect this for Zach?