Family therapist Virginia Satir once said, “We need four hugs a day for survival. We need 8 hugs a day for maintenance. We need 12 hugs a day for growth.” While that may sound like a lot of hugs, it seems that many hugs are better than not enough.

A catalogue of the twelve times Elster and Ariane hugged each other on an average day aboard the Penrose-512, including one extra time their hug meant a lot more.