I met my wife in Washington, D.C. I was a senior in college. WW II was about to descend upon us. Jobs were starting to open up after a prolonged depression.
My limits will be better marked. Both the limits I will set, and my own limits.
Research your idea. See if there's a demand. A lot of people have great ideas, but they don't know if there's a need for it. You also have to research your competition.