We have four bedrooms in our house, but in my mind there was never a question about which room baby number two would occupy. Even before Ryan was born, I knew I wanted my children to share a bedroom, and so the decision was made, Connor would be moving into Ryan's room.
Right now, Ryan and Connor are only sort of sharing the space. In the room we have Ryan's toddler bed and Connor's crib, a dresser with changing table, a bookshelf and a toy box. Connor is currently sleeping in a bassinet in our room, but in a couple of months he'll move out of that and into the crib his room. Ryan is also sleeping in our room on-and-off, but I'm really hoping that once Connor is in the room with him, he'll want to stay in there.
It seems to me that everyone has something to gain from sharing a room. As you get older, sharing is more common—you have a roommate in college, and then once you are married you share a room with your spouse. So why not learn how to live in a space with someone at a younger age? I never shared a room as a child, but I wonder if I would have learned to be more flexible or generous if I had. It's been a fun challenge to figure out how to organize the space for two lives, who have slightly different needs—and I'm hoping that one day they'll be grateful for this experience.