HiCustomer Thank you for asking your question on JustAnswer. By the way, it would help us to know:
-How long have you been dating?
-Have you decided to forgive her and stay with her?
-Could you explain your situation a little more?Thank you again for trusting us with your problem. Please reply as soon as possible so that we can finish answering your question.
Thank you for replying I am typing my answer now.
When you decide to forgive your girlfriend for her indiscretions that is when you should allow the past to be the past and try to move on and learn to trust her again. Showing your insecurities is only going to make things worse, what your girlfriend doesn't want is to be constant remind in one way or another what she did she knows very well what she did was wrong. If you are finding it hard to get past what she did then don't lie to her or yourself face your insecurities head on is the only way to get past this or it will continue and be the demise of your relationship. When you feel insecurity coming on try thinking about if you really want your relationship to end or do you want to give all to making it work. Many couples get back together after one has cheated without even talk through what actually happened.
This may be your issue now you didn't get the answer you wanted about the where , when and why she cheated because you may have unanswered questions this may be bringing the past back into the back of your mind and this is why you act the way you do. Ask the questions you need to know so that you can truly move past this and have a healthy and trusting relationship. If you do not feel comfortable asking her questions about why it happened and with whom then you are just going to have to put trust in her until she proves that she can not be trusted again. Your insecurities though warranted are making the relationship restrained. Maybe you should think about getting some counseling to help you work through this because trying to do it yourself is not working a counselor can help you to work through these feelings and find another way to channel that insecurity into something positive.