Bright, Why not you? I think it's because you learned how to cope and found ways to make things work for you. You've learned how to face your issues, resolve them and move on to the next issue/situation at hand. In other words, you grew up and learned how to deal w/life, accepted responsibility and became accountable for whatever you said and/or did.
As you grew up, at each major age milestone, you faced life and dealt w/it in a responsible manner. You didn't go off the rails and act out and regress just a bit. You navigated each major age milestone in a healthy way which also helped you not to have a full blown MLC at this time.
Also, many of the MLCers have some "hidden" personality issues, i.e., passive-aggressive, conflict avoiders, etc. I don't get that impression of you. You appear to be very healthy. Again, many of the personality disorders came about in early development as a way to cope w/dramas in the home. I have a feeling you were a tough cookie as a child.
I will point out that we do have blips on the radar, i.e., very, very mild crisis situations, but those who have blips do not go out there and carry on like over charged teens. We tend to think about things and ponder what could I be doing or what I could have done in the past, but we didn't act on those ideas/feelings. That's why I call them blips. We all have those walking down memory lane thoughts, but many of us don't act on them because we grew up and faced life head on.
Bright, you grew up in a healthy way. Your h didn't.
Sit quietly, the answers will reveal themselves when you least expect them to. The past is gone, the present is a gift and you need to focus on today, allow the future to reveal itself when it is ready.