Find the roads for your personal gtowth. Read books,tested books -literature masterpieces, or choose your future ptofession and try to study good in order to atchieve your goal, go to some sport club, develope yourself grafually like a tree, phisically , intelectually .
Some people in old age do not have golden youth and health but they are happy with what they have , they injoy sun,beauty of nature, beauty of the day. Other people can not move, and live in a wheelchair but they try to see beauty in a little things and enjoy the life when they see the beauty of a singing bird or park trees.
You have golden youth and strength, so ,why to complain?
You can create motivation yourself by your personal growth in different spheres of life and human activity.