One of the most important things that you need to have behind the language learning is the interest to learn it. It is spot on that language learning is a most complex thing and everyone should offer their best to become master of a language. It is the interest that stands as a motivating factor for the people to learn a particular language. None of the people can learn a language because others forced them to learn a language. A person should have an interest to learn a language. Therefore, the role of interest behind the language learning is huge.