Sixteen-year-old Lu Xingjun met sixteen-year-old Xu Zhen for the first time.
Eighteen-year-old Lu Xingjun realized for the first time that he liked Xu Zhen.
Twenty-two-year-old Lu Xingjun tasted the feeling of lovelorn for the first time.
Twenty-six-year-old Lu Xingjun became Xu Zhen's boyfriend for the first time.
Twenty-seven-year-old Lu Xingjun finally became Xu Zhen's husband.
Purpose: friendship, love, mutual growth