I'm probably the least flexible athlete you'll find. When it comes to yoga I can't get in the positions and I can't hold them. You have to be pretty flexible to do it. Once you get certain positions you have to have the core strength to hold those positions. It's a pretty good workout.
Meat is a wasteful use of water and creates a lot of greenhouse gases. It puts enormous pressure on the world's resources. A vegetarian diet is better.