As an orthodontist i see many panoramic x-rays of children as young as 8 with the earliest signs of wisdom tooth formation. Teeth take a long time to develop and erupt. Your top front permanent tooth, for example, that came in when you were about 7, began to form before you were born.
Promisee Definition: A person whom is to be the beneficiary of a promise, an obligation or a contract. A person whom is the recipient of a promise, an obligation or a contract, received from the promisor.
A pinky promise (or pinky swear) is a gesture in which two parties interlock little fingers in a symbolic gesture of agreement. What is the origin of this phrase? One possibility, and probably the most straightforward one, is that it is an independent invention to describe an existing cultural practice of sealing promises by interlocking little fingers.