As he looked through the options, Jeff had a hard time choosing, and didn't know which ones would be good choices. The more he looked through, the harder the choice became.
Curiosity didn't help him in this choice; Several options seemed intriguing to him, but he didn't know if he wanted to go for it. "How would a backpack even work... Let alone some of these body parts..."
He decided to try some of the more interesting ones on someone else. Thinking of what his sister said when he was starting it up, he decided to focus on her.
He put in her name, and it automatically filled in various stats such as her age, height, hair length, hair color, gender, and more interestingly to Jeff things such as her sexual orientation, libido, and the size of her vagina. He decided the last one may be useful for certain options
After analyzing a few of these settings, he reopened the functions tab and searched for what he wanted to do with her, and with which part he wanted to change...