As You Wish by Chelsea Sedoti
The book is about a town called Madison where people are granted a wish on their 18th birthday. We follow the main character, Eldon Wikes as he struggles to find what to wish for. Eldon has seen other people wish for things that indirectly made his life worse. He sees the consequences and effects of other people's wish. He's pressured by his mother to wish for money to help their finance situation. He also struggles if he should wish for beauty, skill, etc. He also gets influenced by his friends and peers on what he should wish for. He ends up deciding on what he wants to wish for.