Personalized I Don't Have Time to Worry: Jonathan James Youth Long Sleeve T-Shirt. From the children's book, "Jonathan James and the Whatif Monster" by Michelle Nelson-Schmidt, I Don't Have Time to Worry: Jonathan James Youth Long Sleeve T-Shirt - Heather gives your child a reminder that worrying takes up way too much time. youth long sleeve t-shirt. Shoulder-to-shoulder taping. Youth: S(6/8), M(10/12), L(14/16), XL(18/20)