"Now for your transformation, you will... umm... turn into a character when you read in the book. Like fairy tales, fantasy, sci-fi, mythology, or something fiction, except for the memoir, because it doesn't involve any novel," you blurt out and then continue to give more detail about the transformation. "When you read the book, you will transform in the exact detail and become one of those characters you just read. And you'll change back on the next day."
"Wow, honey. That was great. I didn't know you had an amazing idea you have in you," your girlfriend amazes. "But honestly, honey. I didn't read any books often."
"Well, it's fine, babe. You don't have to read them all, just one book just so you could know the detail, not the whole thing," you reply.
"Well, if you're saying this, I guess I'm okay with what you're saying, hun," your girlfriend relieves. "So anyway, let's try out something, what kind of book should I choose to read, do you have anything?"
"Well, not much, but I suggest some fairy tales or fantasy. That would be easy." You recommend her.
"Alright, seems easy for me. I guess I'll pick..."