C44 The Story of Sanitary Napkins

"You ate a bad stomach? "It shouldn't be. Why am I fine?" I waited for her to come out of the bathroom door, but instead of waiting, I waited for her call.

I didn't say anything when I called. It took me a while to figure out that it was Aunt Su Fangfei. She didn't bring a sanitary towel and wanted me to go to the supermarket to buy one for her.

What can I do