You don't lead by pointing and telling people some place to go. You lead by going to that place and making a case.
I believe it's extremely important to include some other type of fitness activity in your training, so cross training will help you to avoid injury when you are dancing.
I wasn't a ballet baby. My first dance class was in an outdoor pavilion when I was three. It was called 'creative movement.' The teacher gave us chiffon scarves in beautiful colors. She turned on some music and said, 'Now go dance.' So for me, dance has always been about self-expression.