I feel so happiness，but is that really mine?

我真的很开心,但是这一切真的属于我吗?

我感到很幸福，可是那真的是属于我的吗？

I feel so happy，but is that really mine?
I feel so much happiness，but is that really mine?
我感到很快乐，但这真的属于我吗？

You are ture ,that is really yourself