It’s my experience that Iyengar Yoga provides you with a personal, go anywhere, maintenance and repair kit for your body, intellect and emotions.
In my classes you will begin by learning the fundamentals of functional physical action in a safe, calm, graduated and engaging way. You will find that physical confidence will build with improvements in mobility, strength, balance and control (and a likely reduction in pain and those troublesome niggles, as many have attested).
That’s fine, and might be where you want to sit with it. However ...