There are two types of power of attorney: POA for healthcare: Gives a designated person the authority to make health care decisions on behalf of the person. POA for finances: Gives a designated person the authority to make legal/financial decisions on behalf of the person.
Human bonding. Human bonding is the process of development of a close, interpersonal relationship. It most commonly takes place between family members or friends, but can also develop among groups, such as sporting teams and whenever people spend time together. Bonding is a mutual, interactive process, and is different from simple liking.
In the context of relationships, chemistry is a simple emotion that two people get when they share a special connection. It is not necessarily sexual. It is the impulse making one think I need to see this [other] person again - that feeling of we click.