Facebooks' new layout for Friendship Pages now "combine posts, photos and events that you and another person have shared."
"Friendship pages show a collection of stories and interactions between two people connected on Facebook. For example, your friendship page with your best friend will show things like the timeline posts you've exchanged, your mutual friends, events you both attended, the photos you're both tagged in, and the things you like on Facebook."
To see the friendship apges "click the gear menu at the top of a friend's timeline to see a friendship page. If you've listed yourself as "in a relationship" with someone," Facebook stated.
You can also visit facebook.com/us to see the friendship page you share with that person.