I think peer pressure can be a great thing. The first year we used the slip-and -slide, we said it was to be a cool-down aid after practice. Did that for about 10 minutes. Then, I had my nephew the baseball star show-up, and he demonstrated how to slide on the slip-and-slide. Now, it was strange to watch some of the girls freeze up, not wanting the do the same thing they had just done for fun! No one made fun of anyone, and after about 20 minutes, they were all sliding like pros. i think if you train them right early, and as others have said give them the right protective tools, the mental side should follow. This is a time to be gentle and reassuring. I saw more than a few tough Marines freeze up looking down a rapelling tower, and they were actually encouraged, not yelled at, so work her back into and rebuild her confidence. So to the peer pressure thing, have 5 or six of her friends over when it gets 90+ on saturday, bust out the slip-and-slide, and just let them have fun.