Let this fire burn itself out. They are acting like teenagers. Remember your HS relationships? they fizzled out quickly; 1-6 months usually.
This is the hardest part to get right, but you need to focus on you. DOn't worry about what she's doing because it will only continue to hurt you in the process. Focus on you and becoming who you want to be.
Do you have goals for yourself? what are they? how will you meet them? come up with a plan that, when successful, helps you become the man you want to be; a man only a fool would leave.
