"Well..." Tang Yuran's dad really couldn't withstand his daughter's persistent curiosity, so he vaguely said to her, "At times like those, all you need to do is pull your mom into the bedroom and then get a good night's sleep."
"Just like that??" Tang Yuran stopped her efforts to climb up using her hands and feet.
"Just like that," her dad responded with a face full of candid expression.
"I don't believe it," Tang Yuran pouted at her dad, exclaiming indignantly, "You sleep with Mom every day, I don't believe all you need is to sleep."
"Cough cough... Well... of course it's not just sleeping," Tang Yuran's dad coughed awkwardly and stammered.
"If it's not just sleeping, then what is it?" Tang Yuran, embracing a never-give-up attitude, vigorously shook her dad's arm and demanded, "Dad, tell me, tell me quick."
Her dad, having had no way to fend off her relentless questioning, vaguely replied, "Well, of course... there's some exercise involved."
"What kind of exercise?"