There are many forms of cheating. A husband or wife can cheat on their spouse, a taxpayer can cheat on their taxes, and a game player can cheat in order to win. Cheating in any form is wrong, and this behavior shows a lack of good character and morals. Cheating to win, because of temptation, or to try to get ahead in life will only give you temporary success and there is no justification for it.
Odd thing is...the words I've used are beyond the scope of her vocabulary and I literally saw her get lost in conversation. However, I told her in the most plain English I could, but it still didn't matter...it's all about her pain.