You're neither right nor wrong because other people agree with you. You're right because your facts are right and your reasoning is right - that's the only thing that makes you right. And if your facts and reasoning are right, you don't have to worry about anybody else.
I don’t worry about gaining weight. I’m fortunate in that I’ve never had to worry about that. Some people eat when they are stressed. I don’t eat enough.
I urge you to live within your means. One cannot spend more than one earns and remain solvent. I promise you that you will then be happier than you would be if you were constantly worrying about how to make the next payment on nonessential debt.
When a man points a finger at someone else, he should remember that three of his fingers are pointing at himself. Do not worry about your difficulties in mathematics; I can assure you that mine are still greater.