Jon's Dressed, But Not Dressed Right?

"Are you, um, looking forward to your day at school?" Jon asked Laura. She looked at him oddly. "As much as any other day," she answered. The bathroom door suddenly opened and Sarah walked out. "Jon, you're not wearing *that*, are you?" she asked. He looked down at himself. When did *that* happen? He could have sworn that he was wearing his bedtime clothes. Now, he was dressed for the day, wearing his usual attire - a T-shirt and jeans. He looked back up at Sarah. "What's wrong with what I'm wearing?" Sarah looked confused, and maybe a little worried. "Well, first of all ..."