If we cannot do everything, let everything we do stand in for all the things we are not destined to do. Sink into every moment, as it represents the sacrifice of all that can never be, at least in this life.
You owe it to all you can never do to partake consciously of what you CAN do, and ARE doing. And worry is an insult to all those destroyed futures. It is virtually sacrilegious, outside of healthy bounds needed to prevent preventable misfortune.
And this includes worry about worry, tension about tension.
Be happy. Be joyful. Be relaxed. This time will never come again.
I say these things, and I think some are actually sinking in, to that part of me which actually matters, and where the decisions actually originate.
We all know how to lie. Most of us learn it early on, and most of us never learn how NOT to lie, even if we never consciously speak an untruth across long lifetimes.