I need some help....

Porsche • Weirdo little girl. 12. hi.

I'm already dating a girl, but she's a grade lower than me, so I bairly see her anymore now that we're not on the same school. and me and a another girl are pretty much flirting with each other/ like each other(though I'm not entirely sure she loves me)and I don't know what to do.please, some one, HEPL ME!!