it's snowing today

Some bitter mom saw me pulling the kids to school on the sled on less than half an inch of snow and said, “Wishful thinking, hunh?”
Thinking she was being funny, of course.
And my first thought was, “Well, duh, otherwise I would never have had kids.”
Meaning, “If I didn’t think things could change for the better, … And why, pray tell, do you even bother sending your children to school?”
But I kept my mouth shut. Experience has taught me that, with people such as her, I usually have to explain my quips, by which time they lose whatever sting they may have had.