I'd really like to try yoga! I don't know much about it though, so I'm doing some research. Have you ever taken a yoga class?
Oh yes, I have, but there is such a broad variety of yoga schools, practices, and goals in Hinduism, Buddhism, and Jainism, I don't think I'd ever experience all it has to offer
I didn't know there were so many different types! Is there a particular style you prefer?
I prefer Hatha yoga, but there is also Raja yoga
I'll look into those, thanks. When was yoga invented? 
The origins of yoga have been origins of yoga have been speculated to date back to pre-Vedic Indian traditions, but they are not all to sure about that