The final cause for a couple to separate is abuse. An individual may be physically, emotionally, or sexually abused. One spouse may degrade his or her partner through harsh language. Drug and alcohol makes the person violent; in addition, there may be no physical or verbal abuse, but the other partner would understandably have a difficult time adapting

A few grounds for divorce are infidelity, lack of communication, and abuse. Cheating is the most common cause for a couple to one another. Lack of communication causes a couple to be distance causing their mirage to terminate. The abuses a spouse may receive cause a couple to also split.

This seems very "choppy" and reads like a list -- a disorderly list.

What do you intend the main idea (topic sentence) to be?

Writing a coherent paragraph:

http://www.arts.uottawa.ca/writcent/hypergrammar/parunif.html

It seems like you are discussing some common reasons why couples may separate or divorce, including abuse. Abuse can take various forms such as physical, emotional, or sexual, and it can have a severe impact on the individuals involved. When it comes to understanding the reasons why couples may separate, it is essential to evaluate the specific circumstances leading to the decision.

To determine the final cause for a couple to separate is abuse. It is important to recognize that abuse is a significant issue that can heavily impact relationships. In cases of abuse, seeking professional help and support is crucial. If you or someone you know is experiencing abuse, it is essential to contact local authorities, helplines, or organizations dedicated to providing assistance and protection.

Regarding the grounds for divorce that you mentioned, infidelity, lack of communication, and abuse are indeed common reasons why couples may choose to end their marriage.

1. Infidelity: Cheating or infidelity occurs when one partner engages in a romantic or sexual relationship outside of the committed partnership. This breach of trust can be devastating and may lead to irreparable damage to the relationship.

2. Lack of communication: Communication is vital in any relationship. When couples struggle to effectively communicate their needs, desires, and concerns, it can create distance and frustration. Over time, this lack of communication can escalate and lead to a breakdown in the relationship.

3. Abuse: As mentioned earlier, abuse can manifest in various forms, including physical, emotional, or sexual abuse. Such behavior is detrimental to the well-being and safety of the victim and can irreparably damage the relationship.

It is important to remember that each couple's situation is unique, and these are just a few examples of the many factors that can contribute to the decision to separate or divorce. Therapy, counseling, or legal advice may be helpful for couples facing these challenges.