i want to start working out and i'd like to know how to choose a good gym. what are the things that i should know. i'm a student and i don't have much background on it. pls.help. when i get to the gym, i don't know how to use the equipments, are there staff that will help me? how would i know whcih to use to develop the body that i want/ is it ok to use supplements right away?