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Wow! Congratulations on surviving! You have a whole new perspective on life, that is a great gift.
I think you should make a start fulfilling your impulses and see how you go. You might find that in your present state of excitement, 'your eyes are bigger than your stomach', and that in fact once you start living more adventurously it might be easier to strike a balance between living life the old safe way and taking some of those risks than you might at present think.
Also, I've often found that it's not much use talking about your plans at all. Granted your husband has to be in on them, but as for everyone else - I just do what I'm going to do and it's surprising how little anyone really cares. When you tell people what your plans are they often feel obliged to have an opinion - so don't give them the opportunity. It's your life.