secret of succses in any yoga

hello divine frends,to be succesful in any system of yoga we reqire some liofe style changes,without it we can not go further in any system.principle life factors affecting us is FOOD,SLEEP,SEX,SENSE OF SURVIVAL,ATMOSPHERE,THOUGHT PONT,SANGA,KARMA,KALA,SPEECH.these r prime factors without controling this in certain way no body can succes full in any yoga or any system

what is purpose of life? who am i?
what is this world? who is creator?.a great question for everyone but few think about it.whole philosophical, religius, spiritual facts move around this n then what is the solution ,which is big question also.LETS MEDITATE N SEARCH FOR GREAT QESTIONS.thats the first step a search with spirit of scientific,shastric,experience base inqiry