C++, C#, Javascript and now Swift. I know many others who have been programming their whole lives in one or two programming languages. Once you get good at som

C++, C#, Javascript and now Swift. I know many others who have been programming their whole lives in one or two programming languages. Once you get good at something and are well compensated, there may not be enough motivation to learn new languages. Specially when you have kids and other hobbies.