I've been unsure about my sexuality pretty much since late

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I've been unsure about my sexuality pretty much since late primary school. At the time I was in love with a girl I had known for 7 years, and had always liked her personality and suddenly felt a kind of physical attraction/sexual, this went on until she started in secondary school and changed her personality, now I had no feelings for her. One year later I started having a close friendship to a male which I have fallen in love with (I haven't told him yet, too afraid). I went through a bunch of internet tests saying that I'm Pansexual, although I've never even met anyone that don't consider them as male or female.
Pherhaps I'm bisexual? Demisexual? I've never loved or really felt attracted based on how they look, it's all about the personality.