Marriage

In the context of The Secret, The Power, or the Law of Attraction -

We can say that marriage as an exclusive relationship and long-term commitment, is actually a blessing and a challenge. It is more subject to possibilities of failures due to human weaknesses. But the concerned parties are also more exposed to a wide range of emotions. In this case, with all the challenges faced in marriage compared to any other type of relationship - if you can surmount all, and still choose love, then you have in the process, learned the secret to life. You forgive, respect, trust, and love another person. It gives you a chance to apply all the learnings. And you practice it, you love, and you succeed in life.

Marriage is a way to be able to control your emotions, learn to love completely, and live life fully.