There are many advantages and disadvantages in living together before marriage. Today there are many couples living together before marriage. Sometimes these kinds of relationships "living together before marriage" end up with success and sometimes they are unsuccessful. Some of the advantages of living together before marriage are such as getting to know your partner, learning about one's abilities if he / she can satisfy your expectations and more. Also, there are some disadvantages in living together before marriage and they are such as religious and family values, parenting problems and more. I think there are more advantages then disadvantages in living together before marriage, because sometimes disadvantages in this kind of relationship are avoidable.
One of the advantages of living together before marriage is getting to know a person that you might marry with. It is important for a person to know almost everything about the other person that he / she is going to get marry with. However, it can't be accomplish without living together for a while before getting married. People need to know how a person is handling his / her life from all aspects such as behavior, mental, financial and others before a person decides to get married with. This can not be completed in a few days, therefore, it is important to live together for a while before deciding weather to get married or now. Also, learning about a person's abilities to satisfy your expectations is something important to know before getting married.
However, the disadvantages in living together before marriage are sometimes avoidable and living together before marriage is a good way to find the right person for your self to marry with. Finally, I think people should be serious and live carefully if they do decide to live together before marriage.