The life I yearn for, which episode of Huang Lei Temujin is which book?

Season 4, issue 6. In the colorful clouds of the sixth issue of Hunan Satellite TV's large-scale life service documentary program "Life I yearn for 4", Allen poured out his troubles in Friendship, and Huang Lei also quoted Mu Xin's "Cold Day by Day" to enlighten Allen, saying that when friends get along, they cherish and love everyone in front of them.