he thought he was safe...but something has changed. He had managed to accidentally create some energy that was slowly building up in his body and would begin to leak out as it effected him.
The energy was the human concept of femininity. John had discovered that there was a way around certain bounds by using human interpretation as a factor in the behavior of certain energies.
Now as he walked upstairs he didn't notice his shoes gaining a heel, or that his hair was creeping past his ears.