“这辈子我要定你了”用英文怎么说？

You are the only one for me in this life.
或
You are the only one I want in this life.

保证回答质量。。。
我的英语比中文好。 （八岁就移民到加拿大的）

楼上的完全错了。。。 ＞_＞

In this life I would like to set you up
This whole life I must decide you 意思差不多

I'll marry you but no one else in my life.