more than just feelings

"I don't want you Juvia." Just one morning after the rejection, Gray and Juvia wake up in each others bodies and are told they must learn to live each others lives in secrecy until the spell is broken. As Gray stares at his own face and Juvia stares at her own face, there's only one thing to do.
"Okay!" Says Gray. "If we're gonna live each others lives for a while, then we're gonna have to set down some rules....."