You need to be a member in this awesome site because you will have questions in your answers, questions in your mind will be answered by other members by this site. This site is a site for sharing knowledge, so if you want to share and learn, you should be a member in this site. This sites helps many people, educators, teachers, students, etc. by making their questions answered, and you, yourself must help this site by being a member.
This site is awesome :)