Young men (age 16-18) are underrepresented and make up only 14% of the Anthony Nolan stem cell register, but provide over half of all donations. During this age range, due to hormonal changes, boys may exhibit less effort in academics and responsibilities, and more tendency to seek relaxation. Parents often disapprove of their relaxation habits, making guilt-free laziness a strong incentive. Young men prefer to relax, avoid responsibilities, and stay in bed when they can, disengaging from obligations by watching TV and gaming. They tend to feel frustrated when parents interrupt their downtime. They are more motivated by reward