Which sentences in the poem implicitly express the author's reluctant feelings when he bid farewell to his friends?

"I advise you to drink more wine, there is no reason to go out to the west." Cheng Wei Qu-Send Yuan Er Shi An Xi Tang Wang Wei

"Holding hands and looking at tears, I was speechless." "Affectionate injury from ancient times, more comparable. Leng Qingqiu Festival again! " Yu Lin Song Ling Liu Yong

"The endless grass on the plain comes and goes with each season. Wildfire can't burn it out, but the spring breeze can revive it.

Weeds and wild flowers are all over the ancient road, and the end of the grass in the sun is your journey. I once again sent my bosom friend, and the thick grass represented my deep affection. "Fu Gu Yuan Cao Farewell" Tang Bai Juyi