I was confused when I was young because I had trouble understanding if I was straight or not

then I finally found out that I was Bisexual, I was feeling miserable thinking I was straight, when I turned between 15 and 17 my Mother was the first person I told she didn't mind that I was Bisexual, I then told my sister and brothers they to didn't mind, it felt better accepting who I was, I would wait a few years before I told my friends they don't mind at all they would see in front of them someone who is a good friend.