I think you're doing a really nice job of straddling that fine line between trying to keep some connection to the m and focusing on you.
And yes, ignore her moods and any antics. Make sure you do a few things each day that bring you joy.
Keep up the good work.
Me 41, H 47, M 15 yrs, S11, S13 BD 1: 11/4/14 we work on it; really I pretzel myself BD 2: 3/31/15 H goes down to "dorm room" 8/15: H back to MBR 10/15: H back in dorm room 1/18: H files, now divorced