Knowledge transfer happened from teacher to student, in a personal setting, based on the student's ability to grasp and the teacher's ability to deliver.  
Your biography and biology are not the same as the next person - so your yoga should also not be same as the next person.
Your yoga practice is totally based on what your body is capable of doing, and what your mind is yearning for.
Let's start that journey, keeping up the parampara (Parampara is a Sanskrit word that refers to the succession of knowledge from one guru to the next. Directly translated to English, parampara means something like “uninterrupted series,” "continuation," or "succession.")
You don't need to be intimidated in a group setting, you don't need to feel the urge to do more than you should, and you don't need to do something that your body is asking you not to do