Yes. Stop trying so hard. You need to LET HER GO, or at least let her THINK you have let her go.
Remember, we want what we can't have. You have history, she can't just 'forget' that. She needs you to be the rock, the man who just doesn't 'need' her. Let her have the chance to feel what it's like to NOT have you at her beck and call.
go to '[censored].com' and sign up for their free e-mails. seriously, it sounds like she is in a little MLC, and you are playing the part of the 'wuss' when she wants a 'man'. Remember how you were before you met her? How you knew what you wanted, and how you would get it?
Take NO MORE 'responsibility'. You've taken your share, now let it go and move on. 'Man up' and be the best 'you' that you can be.
You're a good man, and she knows it. She's looking for a leader, for guidance. Will you do it?