The other kids loved Stuart and he even tried to introduce the other kids to the parents.
They were happy for him just like everyday he was happy for the ones picked when they left.
ALSO
In the books
Stuart is not actually a mouse. At least, everyone keeps saying “he looks like a mouse” rather than confirming actual mouse-dom. A doctor confirms that Stuart has the same vital statistics as a mouse
ALSO ALSO
In the books
Stuart is not adopted but is the littles actual son.
I guess saying he is adopted was easier.
They were happy for him just like everyday he was happy for the ones picked when they left.
ALSO
In the books
Stuart is not actually a mouse. At least, everyone keeps saying “he looks like a mouse” rather than confirming actual mouse-dom. A doctor confirms that Stuart has the same vital statistics as a mouse
ALSO ALSO
In the books
Stuart is not adopted but is the littles actual son.
I guess saying he is adopted was easier.