‘Let’s not do it for a few days.’ ‘What do you mean, Seoyeon?’ ‘We need to experiment. A kiss only last twenty hours, so we need to figure out how long sex lasts.’ ‘Huh?’ ‘We have to make an accurate calculation, so that there is no hindrance to your life. What about if you need to go on a long business trip?’ ‘Please cooperate for the time being.’ ‘How long is “for the time being”? A day?’ ‘Hmm? Perhaps four days? Let’s not do anything for four days, that way we can know the exact duration.’ ‘Four days.’ ‘Four days? His expression distorted as he grabbed her shoulders, ‘Does that make sense? Four days?’ Do-hoon was looking like his soul had left his body. She waved her hand in front of his face, but he didn’t blink. Abstinence : You got to not talk dirty, baby Abstain