Personalized Don't Be Afraid to Say Hello- Whatif Monster Youth Long Sleeve T-Shirt. Don't let your anxieties hold you back. Say hello, and you might meet your new best friend. Don't Be Afraid to Say Hello- Whatif Monster Youth Long Sleeve T-Shirt - White, a perfect gift for fans of "Jonathan James and the Whatif Monster" by Michelle Nelson-Schmidt. youth long sleeve t-shirt. Shoulder-to-shoulder taping. Youth: S(6/8), M(10/12), L(14/16), XL(18/20)