He had so many options. He could turn into anything he could imagine.
He was aroused by the thought of the transformation. Plus, he was
aroused by the idea that he could select the random button and become
something, or someone or anything that imagination can think, for as
long as the machine wanted. He read the random options. He would be
something, or part of something, or someone, or part of someone etc
which would be selected randomly and then he would stay like that for
a random period of time. After the period of time had passed, no
matter what had happened to him, he would be transformed back to his
old body, and not a single second would have passed from the moment
the transormation started. Jeff immediatly pressed the button. He
would be something else,maybe for years, and then he would come back
and resume his life. He thought what he could become. Maybe the
Chronivac made himan animal, or part of an animal or something
inanimate or who knows what. Also, he noticed that he would know how
much time he would be staying like that. Furthermore, he would be
transported in a place where what he would become would be normal. He
immediatly pressed the random button. The transformation began
immediatly. He was becoming: