Opportunities and getting lucky favors the intelligent and prepared, if you are not prepared or simply won't take a chance on an opportunity you might regret it, and regret is one of the worst feelings there is.

You are totally right sometimes things don't work out and we have to rely on plan "b" but whichever plan we are into, it's going to be one that we chose, we don't have to get to upset if things don't work out our way, that's life, we have to keep trying.