"Dad... I'm a virgin."
"Okay, go. Virgin... Liking Edward a little bit more now."
— There's something you need to see first.
— I need to see Bella.
— Look, In order for Bella to get better, she had to change.
— What do you mean, "change"?
— Here goes nothing.
— What the hell are you doing?
— You don't live in the world you think you do.
— Jacob, put your clothes on.
— Now, this may seem strange. Really strange. But stranger things happen every day.
Explanation:
Jacob undresses to change into a wolf and show Bella's father that he won't protect her.