Open Question: My younger sister is a lesbian?

[feedcrawler]

I've been concerned about my 14 yr old sister for the past 2 weeks. I checked the web history on her computer and I found that she been watching foot fetish videos of girl feet getting tickled and worshipped. I also found out that she watches lesbian porn. I was thinking she was straight because about 2.5 years ago she went to a boy's house after school and they had sex (I know this because she told me). Last night when I looked through her door I saw her watching a video of a girl getting her feet tickled while she fingered herself. Is she going through a phase or is she turning into a lesbian?

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