My eldest felt a strong urge to own a car for most of his teenage years. He would pop into the living room and show his dad and me his latest internet find, usually a 20-year-old jalopy with questionable reliability costing several thousand dollars. Each summer break, he would talk about buying a car with us. Each time, we wouldn't say no. We would just urge him to consider his situation as a full-time student with an uncertain future. We provided transportation to and from school, and while