What are the poems that lament "A friend has changed his mind"?

I sincerely hope to have a bosom friend.

Tang dynasty: Han Yu

The bosom friend is sincere and can't miss the child.

Before dawn, walk on the moon with wine.

2、

The quatrains sent to Dashan

Song Dynasty: Liu Zikai

In the past two years, you have been living in this temple in the mountainous area of Fujian, and now suddenly, on second thoughts, you want to leave here for Zhejiang.

The moon doesn't know that you have gone, but it still sneaks into the small window of your study late at night.

3、

Leave and visit at night

Southern and Northern Dynasties: He Xun

Calendar barnyard grass * * * to follow, once resigned.

Water is injected to the east, and there is no turning back to the west.

The rainy night falls on the empty steps, and the light of dawn leaves the room in the dark.

I don't drink when I'm sad. When can I be together?

4、

Magnolia imitates ancient and decisive words, friends in Cambodia.

Qing Dynasty: Nalan Xingde

If life is just like the first time, you don't have to draw a fan in the autumn wind.

It is easy to change, and it is also easy to change.

Lishan language stops midnight, and the rain bell doesn't complain.

More importantly, if you are lucky, you will be more willing than before.

5、

say goodbye to

Tang Dynasty: Wang Wei

Seeing friends off in the mountains, Chai Men is half hidden at sunset.

Spring grass will grow green next year, my friend, will you come back?

A true friend is someone who trusts each other, respects each other, says everything, and can help you at critical times without hesitation.