Yes, i feel remorse for things i've done while manic, some reckless hyper-sexuality especially. My feeling goes beyond remorse tho. I feel shame. I feel so ashamed of myself that i think it's good that i've withdrawn from life so as not to create anymore shameful memories to agonize over.

Just a note on your late diagnosis. Early diagnosis does not automatically mean your illness will be managed. I was diagnosed at 25. I'm 51 and my illness has proved to be treatment-resistant and i still struggle with mood swings. Of course, there's a chance that an early diagnosis would have lead to a better outcome, but my point is that it is not a sure thing.