You might encourage your ex-girlfriend to think about her behavior. But I'd also like to encourage you to think about yours. You wrote that you felt something had been taken away from your relationship after your ex-girlfriend slept with someone else. You're both obviously wounded by what has transpired. To get past this, you'll need to discuss your feelings about the affair and the way you broke things off.
Life is filled with stress.
If it's not about family or school, it will be about work or money or starting a family of your own. You can't escape stress. Now's as good a time as any to learn how not to let stress smother you and your lover. Inc. All rights reserved.