A pair of underwear that Grandma Yao throws at Yao Qingqing's feet, discovered to have blood stains. Grandma Yao questions whether it is from Yao Qingqing's period, noting she just had it not long ago and questioning how it could come again so soon with so much blood. Yao Qingqing claims it is due to tiredness and stress, but Grandma Yao is not convinced. This becomes a significant plot point suggesting Yao Qingqing may be pregnant or has a serious medical condition.
