Maturity is also self-awareness, knowing your own strength, your weaknesses and your limitations.
My experiences - both bad and good, are far too valuable to me, for me to be wishing to be someone else.
Patience is not the ability to wait, but the ability to keep a good attitude while waiting.
Surely God would not have created such a being as man, with an ability to grasp the infinite, to exist only for a day! No, no, man was made for immortality.