What are the ancient poems describing the thoughts and regrets of love?

The ancient poem describing the miss and regret of love is:

1, Xiao Xuan window, dressing up, nothing to care about, only a thousand lines of tears.

2. Never stop, even this bright flame of love will only have ashes? .

3. Only your eyes will open all night, which is a lifelong trouble in your brow.

Although my body doesn't have the wings like bright phoenix, I can feel the harmonious heartbeat of the sacred unicorn.

Dear, now, you are by my side, but we can't fall in love in the sun.

I want to know you, and I will live a long life.

7. Yellow flowers are everywhere. Haggard, who can pick it now?