Punctuation Infatuation | Souvenirs of Fatherhood

Here's a cute, true story with a short video. The father writes about his young daughter:

We were reading a story one night, when she asked “What’s that?” her finger squarely on a giant question mark. This opened her eyes to the world of punctuation and from then on she was hooked. Now at night, when we read stories together, she always asks, “Can we do punctuation tonight?” which means I read the words and she points to and names all the different types of punctuation she knows.

I'm curious if he'll eventually teach her how each mark is used. Some, like the period and the question mark, would be easy to each. But the comma? Adults even have trouble learning and using that one!