He doesn't know what love is, and no one has ever told him what love is. An accident allowed him to gain a lot of love.
Chu Fanzhi: I will spend my whole life telling you what love is
Li Weike: Love means treating him wholeheartedly. I will make you feel loved.
Su Bing: Don't think about anything, just give it all to me.
Su Li: I am willing to give my life for you, this is love
Lu Yiran: ………. I've finished telling them all the nice things, so I'll show my love on the bed.