Of course, you have to be confidential about who you are & the decisions you make. Your life is yours not others, therefore, you live for yourself not others. So you shouldn't care about childish thoughts behind you anyway. Remember, people will rate you, some might hate you or try to break you, but the way you stand for who you are would makes you to be "you".
The biggest secret of many pros out here who are not as confident as others. Never show that youre scared, less confident or whatever. Find a way not to show your true feelings and youll be just fine and once you can master this little bit of info, there really isn't much after that you cant do like public speaking, etc. So the sooner you can learn this trick, the better youll be