One type of answer seems to be on the tip of the tongue at any moment.
Jing Haohao was staring at her phone, frozen in place by the text message Liang Chen had sent, "Haohao, do you want to know who I like?"
She started to breathe a bit heavily and couldn't bring herself to type a reply on her phone.
...
Liang Chen, sitting in the living room, thought that these moments felt like an eternity of torture.
He held his breath, waiting for a notification on his phone.
One second, one minute, ten minutes... For a whole twenty minutes, he did not receive any reply from Jing Haohao.
...
After a while, Jing Haohao moved slightly, only to realize that she had been laying in the same position for so long that her arm had started to go numb.
Jing Haohao flipped over and then very gently typed on her phone: "Who?"
Before sending, she felt her fingers trembling. She took a deep breath with her eyes closed and then sent the message.
...