The moment that Octavia took a step towards him there was an automatic step back. One that he probably didn't even realize that he did. It wasn't that he was scared of her. He didn't know this woman to be scared of her. That didn't, however, mean that he was comfortable with any of this.
"Disorienting? That's an understatement. You don't go from being..." Jake has to stop himself before he even says it. He hadn't even taken stock of himself either. What he was wearing or how he felt in general. "Relaxing? Not bound to happen. Not right away." How could anyone relax after being dead?