He looked at her in silence for a long time. She also wasn't saying anything, but from her facial expression, it was obvious that she was struggling with some sort of suspicion.
Su Zhinian lowered his head to hide the rising anxiety in his heart. After he calmed himself, he raised his eyes to interrupt Song Qingchun's rumination by saying, "The washing machine seems to have finished already."
Song Qingchun came to, and before she could say anything, Su Zhinian added in a light tone, "It's getting late; I should rest too."
Actually, he didn't want to chase her away, but since he couldn't read her mind, he was afraid of arousing her suspicion even more should she try to interrogate him further. He could never let her know he was the guardian angel she had been looking for all along.
Song Qingchun understood the meaning inherent in Su Zhinian's words. He wanted her to leave already.