There's this guy that I have a crush on. He started hanging out in my brothers friend group. My brother is bisexual. I found out this guy is gay but he has dated girls in the past. I have nothing against anyone if any sexuality but I know people change their sexualities all the time so I guess I've just held on to hope. My brother ended up making out with him at a drunken party. Which upset me because I had dibs. My brother said you can't dibs a person and he's gay anyway. I feel like he's not getting my point. There are so many gay or bisexual guys in the world or so many girls. So why make out with the one I like? He's dated girls in the past and many many MANY people change their sexuality. I had dibs him months ago