What are some self-deprecating and sad sentences?

1, don't expect someone to accompany you all your life, even the shadow won't leave you when there is no light.

2, gradually know that many things can be met but not sought, do not belong to themselves, why care. What you care about will torture you. "Expectation" is the root of all heartache.

May you learn to take part in accidental amusement as soon as possible, and may you get used to the difference of things as soon as possible. After all, not everyone is as naive and emotional as you are.

I use time to prove that I like you, but you use time to prove that I am a fool.

I thought I had been so lonely and didn't like to stay, but later I found out that I had never been firmly chosen.

6. I will probably never fall in love with anyone again in this life, because there is no love at first sight and no long-term patience.