I'm sorry that those people were so horrible to you. Seriously, those kind of people just need to all get educated. You can take comfort in the fact thought that if their God is real, He probably hates them. Homosexuality occurs across all species, and is a natural way of fixing overpopulation. It's just the way nature works, and that's why, according to psychology at least, we're all bisexual, (but most are repressed thanks to society and people like the numbskulls who took your notebook). I wish people could just get this idea through their thick skulls once and for all.
Hang in there, guys, (everyone who doesn't have a lot of friends in this case). It sucks to not have a lot of friends, but I think it's honestly because 90% of people are rude and socially stupid. Wait around for the 10% who aren't, and try to hold on to them. I would suggest making friends at work, or joining a club. Just remember for every jerk that you let go of in life, you will be more free to find good friends.