Resolved questions
How do you say you've developed "Jeong" 정 with someone else?

I was wondering what is the sentence for telling someone you've developed with someone else? That feeling that Korean people always talk about.

The sentence I currently have is "우리 서로 정 되어버린거예요"

Is this correct? Or is there a more natural way to say you've developed Jeong with someone over time?

Additional Details:

Or if it's something you just realized, could you say "우리 서로 정 되어버리는구나"?
Thanks! :)