Mark shook his, er, her head. "Nah," she muttered. She would do something to him, but that was just too mean. She thought for a minute, then straightened up.
"I'm not gonna try what I was thinking of, Evan," she announced, "but turnabout's still fair play. And since I most likely have some sort of magic powers now..."
She concentrated, pointing at Evan, and he began to change. He shrunk a bit, stopping at about four foot six, and his hair grew longer and changed to a dark brown hue. Before he could say anything, he was a she as well, a short girl with waist-length brown hair and a reasonably attractive body. Mark cocked her head and grinned mischievously. "So, *Eva*," she giggled, "whaddya think?"