我爱你不是因为你是谁，而是因为当我与你在一起的时候我是谁。用英文怎么说？

Answer 1

供参考

I love you not because of who you are, but because of who I am when I am
with you.

注
这是著名的‘爱情金句’

原帖的中文
也许就是译自这个英文金句

Answer 2

I love you not because of who you are, but because when I was with you who I am.

Answer 3

I love you not because who you are, but when I am with you together of the time who I was.