If you are worried about anything, it could be something big or something small - don't bottle it up. It can really help if you talk to someone. If there is something on your mind, Childline is here for you. Just call the Childline number 0800 1111 for someone to talk to. It is totally free and confidential (unless they feel you are in danger).
Remember, Buddy wants you to Speak Out, Stay Safe.