Looking on the internet deeply has found these results:

I am fine as long as you are is the most popular phrase on the web.

I am good as long as you are 10 results on the web	I am fine as long as you are 13 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
It doesn't look like this phrase is very popular! The search could not find any examples on the internet.	Dec 25, 2013 ... I don't presents under a christmas tree: I am fine as long as you are with me. Once upon a starry night near Christmas, when you held me tight, ?I hope that someday, I Am Fine As Long As You Are Happy can be the phrase that lovers say hello to each other.? Wallace put every bit of his heart and soul�... I quite understand that, but ask you not to worry too much. I am fine, as long as you are. He also says that you intend coming to see me when I'm moved to Kuje.

I am good as long as you are

10 results on the web

I am fine as long as you are

13 results on the web

More popular!

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

Dec 25, 2013 ... I don't presents under a christmas tree: I am fine as long as you are with me. Once upon a starry night near Christmas, when you held me tight,
?I hope that someday, I Am Fine As Long As You Are Happy can be the phrase that lovers say hello to each other.? Wallace put every bit of his heart and soul�...
I quite understand that, but ask you not to worry too much. I am fine, as long as you are. He also says that you intend coming to see me when I'm moved to Kuje.