Its good to be alone

My friend stubbornly thinks she is "gay" which unfortunately is the incorrect term, it's lesbian or homosexual; though she's probably bisexual and is just a rebel against her parents. It gets annoying because she keeps on calling me girlfriend and says I love her even though I only see her as just a good school friend who somehow stayed alive all of this time. It's also annoying because I'm heterosexual and more to the asexual side because I have no interest in anyone to be in a relationship with. I mean I probably will be forever single anyway and friendzone anyone who confesses or whatever. XD But if I do have one, it'll be after college/university or graduate school. Afterall, I need to stay at the top of my classes or I won't be getting anywhere in life.