My goals may seem impossibly far-fetched when really they're not. Break them down into steps and see how I accomplish great things. I can easily reach from A to B. I can manage from B to C. I can then make it from C to D. And so eventually, I will find my way from A to Z.
Give it a little more trial, a little more risk, a little more pushing up and a little more stretching out. Stretch it more and let all your ideal length be seen. Your maximum self can only be known if you stretch hard till you can't do it any longer!