Jon being gay affect Zoe?

Dinner that night was normal except Zoe seemed to treat him better and Jon couldn't help notice how good Ollie looked. After dinner Zoe wanted to chat with him in her room, In the old reality Jon hadn't been invited in there science ever. They went in and Jon noticed something different (Jon hadn't been invited in but had seen inside it) While Zoe was still a Goth she wasn't as overtly so, Her collection of Pvc clothes halved, her sheets where now black and grey, and a couple of ugly dolls sat on her bed, her music collection now included a few normal songs. Why did Jon being gay affect Zoe?