Secret journaling

Sometimes you do not want to show the journaling on your page. You can either write on the back of the page or hide the journaling. I like hiding it.
This page was made for a challenge called "hidden envelope" and can you guess where the envelope (with the journaling) is hidden?

it is hidden under the photo:

and contains a tag with a heart and journaling on the other side:

So where do you keep you secret journaling?
♥ Petra