Afraid of Aging
When Justin Bieber hit the scene in 2008, he was the pinnacle of adolescent youth. Sheldon had already spent $8,000 on hair transplant surgery to fix his thinning hair, but he wasn't happy with the results. It took three rounds of transplants—totaling $21,000—for Sheldon to be satisfied with his new hairline. He admitted that the reason he was obsessed with Bieber had to do with his own phobia of aging.