I thought I was being a friend, we have very light conversations. We certainly don't talk like we used to but that's understandable.
There is a difference in being friend-ly acting, as you would conduct such behavior around even strangers you just met. But what she is saying is that she wants that close friendship she felt with you before the M fell apart.
It is not about what you feel should work in your M. It is about doing the work that gets the right results. Do what works!