uncontrolled transforming

"I've got an idea" karyn said as Jon handed over the rock, "we both are into transformations and such, and i didn't want to pin us down to just one form" "so what's your plan?" jon inquired "i wish that both me and Jon, for the next two days had an uncontrollable power to transform our bodies, depending on what's going through our heads at the time." Jon immediately stopped thinking, he didn't want to accidentally start transforming But even with his forceful non-thinking, both of their bodies had already started changing, and would be constantly for the next two days