For a man of Jim's god-like powers, it was simplicity itself to dematerialize, slip his immaterial self into the Nice Girl's body, and take over. The girl's real self, real soul if you will, was pinned "under" Jim's at the back of her mind, so to speak, and Jim, in complete control of her body, wearing it as if it had always been his (or rather her) own, enjoyed the difference of wearing female flesh. Jim had access to all the girl's memories, of course, and could impersonate her flawlessly. She used her powers to make her off-the-rack suit and cheap shoes fit perfectly, and sipped the latte' that the owner of her body had bought, trying to decide what to do.
Eventually, the Nice-Girl-bodied Jim decided to:
Sun Sep 29 13:55:19 2002