I get it. I turned 41 this year and have not accomplished some of my major goals, but you know what, age is just a number, I am just getting started, and in the last 6 months have made a lot of progress towards those goals because I started to realize that I am not getting younger
Most people start to reflect as they get closer to 40 but some people really do have a mid life crisis that needs assistance to deal with like going to a therapist, no shame in that at all. Once you work through it your mind will be at peace and you will feel much better.
The funny thing is I am in better shape, stronger and in much more control of my bad habits now than I was in my 30's.
Life is a long process and we should never stop learning and improve ourselves physically and mentally. I make it a goal to read at least a few good educational books a month. I think of somewhere I have difficulty like procrastinating on major goals and tasks I need to complete to reach those goals and read books based on that topic or something in that area that will help me develop better habits, be more committed, ways to instill accountability in the situation etc. and the more I learn the better I function. I wish I would have started this process as soon as I was old enough to read instead of my early 30's.
Whatever you do don't do something rash that makes moving forward more difficult or gives your family a hard time. It might not hurt to spend a few bucks for a weekend get away somewhere you really enjoy by yourself to reflect and think things through.