My girlfriend and i have a very good close and loving relationship. we both still teenagers. she told me that she cheated on me and she really regrets it and it will never happen again,so i have forgiven her but i cant seem to trust her. by the way she told me this a month ago. i want to trust her again but i need some advice on how to trust her again. can u help me please. and is it possible to make sure she doesnt do it again?