Worrying is a habit. Do you have it?
First, check out "Getting to the bottom of your worrying-and how to let it go" by Gordana Biernat for some great insights!
We all have dreams, aspirations & goals. It's healthy to be in a growth mindset but not at the expense of getting meaningful things done today. Making zero progress toward your preferred vision of the future is demotivating. Focus on the task at hand, like the mantra of former NFL head coach Marty Schottenheimer.
The main thing is to keep the main thing the main thing. Sure...how?
Second, check out "How to stop worrying & start living" by Dale Carnegie. His concept of living in Day-tight compartments suggests to live each day to its fullest until bedtime, get some rest & go again the next day. Easy to say, hard to do. Here's his help...
Get the facts about what you're worrying about; write them down, decide what you can do about it & get busy doing those things. Getting "lost" in the activity helps & progress on an issue you've identified is moving away from the problem.
"Don't count the days, make the days count!" -Muhammad Ali
He famously didn't count workout repetitions until the one's when he was getting tired because those were the one's that really counted. This habit created breakthroughs in his training for consistent growth.
The fact is, tomorrow isn't promised.
"Don't let yesterday use up too much of today." -Cherokee proverb