I'm a teen looking for any advice or answers

Im a 15 year old bisexual guy and i have a lot of sexual thoughts like i really want dick and i mean really want dick idk why i just allways wanted to try something new i just want to know how it feels up my ass and i cant wait to fuck a girl's pussy im just really excited ig is this bad and does this or did it happen with any of you? If you could answer any of these questions or want to solve one of my fantasies please leave a comment