With the best of friends / How is it that I can be so fully myself with you even on days I don't feel whole?

How is it that I can be so fully myself with you even on days I don't feel whole?
~~~
Edit/addition: I don't feel like an empty shell around you. That could be found in a perfect environment but still feel nothing. With you I feel I can be so completely myself even on days I didn't feel whole to start with.