I recommend a cleanse. It should not be a knee jerk reaction, but should be calm and calculated. There is a wonderful blog post about this at http://realitywithrashell.blogspot.ca/2009/05/life-enema-try-it-youll-like-it.html
Hi There. Great question. Learning through doing is ALWAYS going to be a better option. If you have a business or product concept or idea, go for it! Don’t wait. Experience is going to be a great teacher. Also, you can prepare WHILE you execute your business idea. Check out Business Model Canvas...