KC, have you ever thought of trying some sort of cognitive behavioral therapy? Could you share with us things that fulfill you outside of your relationship with your H or your male BFF? Maybe you could have those things available for you to turn to when you recognize the impulse to reach out to your H?
Me (46) H (42) M:14 T:18, D9 & D11 4/19 - 12/19: series of escalating BDs 9/20 - present: R and piecing