1, say forever, I don't know how to spread it.

We agreed to be together forever, but somehow we broke up.

2, why only this time, only once without you.

Why was it like this, but there was no you in the past?

3. I can give up anything in the world except you.

I can lose everything, but I don't want to lose you.

4. I feel insecure because I love you, too.

I feel unsafe because I love you so much. ...

I hope I can find the person who is afraid of losing me.

I hope to find someone who is worried about losing me.

I can walk and forget the scenery along the way.

I can only forget the scenery along the way while walking.

7. Because we are not perfect, we need each other. ?

It is because we are not perfect that we need each other.