How to to transition a grown child’s bedroom — without any drama

When Lizzie Haney returned to her parents’ home near Grand Rapids, Mich., for her first Christmas break from college in Chicago, she discovered two changes in her room.

The first — her mother’s “adult-ification” of the space, taking down old posters and adding new, more sophisticated bedding and decor — felt like a loving gesture, a nod to Lizzie’s maturing tastes. The other felt like a personal attack.