Ground Rule 1. There are some things you simply can’t control. Luck, for instance. Sure, you can improve your odds of getting lucky, mostly by putting yourself out there, being open to opportunity, and taking risks.
Ground Rule 2. Timing really is everything. If you do everything else right, the most likely thing to trip you up will be timing. Nailing everything below will help, but not entirely. That’s just the way it works.
Let it go!