Can you explain some expressions in this paragraph? " However, the poor are not the only ones who will automatically react with skepticism when something challenges their social beliefs; in fact, everyone will. That is the expected response and one of the challenges that you will face if you do not follow the informal rules of society. Most people will eventually come around if you sit them down and explain how their upbringing has influenced them, and they will slowly be able to step back and look at the situation more objectively. However, to even propose ideas that go against our traditional socialization, even further to take action that defies it — such as to pursue happiness without being successful or rich — will present some mental challenges. Nevertheless, it is still the most effective approach; it is what you should do, and what this book is about" What does "come around" mean? Does it mean "change their mind and adopt your opinion", right? And "present some mental challenges" means "give you some mental challenges", right?