With their phones in waterproof cases, the sisters soaked in the hot springs and scrolled on their devices.
Lai Zhiyun watched short videos with the sound on speaker, delighted by the antics of other people's adorable dogs—their clever tricks and occasional household destruction.
He Zhiwei, on the other hand, was quiet, swiping on her screen from time to time.
Each kept to herself without disturbing the other.
Fifteen minutes later, Lai Zhiyun closed the app after finishing her videos, while He Zhiwei continued to scroll intently on her phone.
"What are you doing?"
In the water, Lai Zhiyun stretched out her leg and nudged He Zhiwei's leg with her instep.
"Online shopping."
"Buying toys for the baby again?"
Lai Zhiyun stood up, paddled with her right hand, and stepped through the water to He Zhiwei's side to peek at her phone screen, which displayed several different colored toy excavator trucks.
"Didn't we already buy this one?"