The dynamics and roles in each marriage might differ from one another. Nowadays, the globe is much larger for us, and we have more possibilities. Many people today marry for love rather than out of need. There are several marriages that many people would consider non-traditional. For example, some countries have a tradition of polygamy. This means that a single man or woman can marry multiple individuals - as long as they all agree to it. This practice is not accepted in most countries today, but it does exist. In other countries, men can marry after they die; this is known as nepotism. It is also not acceptable worldwide, but it does occur. In conclusion, there are different types of marriages in the world. Some are based on need or money while others are based on love and friendship. It is up to each individual to decide what type of marriage they want to be part of.