Lizzie was attracted to Erica. But she was her own brother--well, sister now, but she wanted Erica to be like both a brother and sister. Besides, Lizzie liked boys and was attracted to Erica for looking somewhat like a guy, but actually making her into one would ruin the effect of having a big sister.
So she tried a different plan.
Lizzie brought up Erica's profile and added some more words.
"Erica, disguised as a boy, is pretending to go on a date with Lizzie. A boy was bothering Lizzie, and Erica, wanting to help her sister, agreed to pretend to be Lizzie's boyfriend so that the other boy won't bother her any longer." Then Lizzie changed Erica's orientation back to lesbian and added to the profile, "Erica would like to have a girlfriend like Lizzie and enjoys pretending like this."
She brought up Erica's picture and the hair on her head was back to normal--male normal, that is. She undid most of the rest of the shaving, since the disguise wouldn't work too well with shaved legs (unless Erica always wore long pants and didn't show them).
She turned off the computer and left, for where Erica was waiting in her car. But this time....