This is because they do not need to prove that they are innocent. If you`ve fallen into a business transaction or lent money to a friend in distress and haven`t been reimbursed, you might have questions about continuing the money owed without a contract. Just watch an episode of People`s Court or Judge Judy, and you`ll see that you can file a complaint for an oral agreement. But you have to prove your case, which can be difficult. The contractual conditions must not be presented in a vague, incomplete or incorrect manner. In other words, there should be an agreement on the parties, the obligations of each party, the price to be paid and the object of the contract. The conditions between the aunt and the nephew are very clear; The aunt lends the nephew $200 to buy a new tire (and nothing else) on the condition that he returns the $200 to her at some point (for example.B. if he receives his next paycheck). . . .