We repeat the last paragraph of the post here:
“Worrying is not a useful output. Worrying doesn’t change outcomes. Worrying ruins your day. Worrying distracts you from the work at hand. You may have fooled yourself into thinking that it’s useful or unavoidable, but it’s not. Now you’ve got one more thing to worry about.”
For most of us, commencing to worry over why we are not worrying would be natural!!!
My own approach is: Think over the matter, if there seems to a some possibility for overcoming the block, do continue to think with a view to formulate the strategy. However, if there appears no way out, better sleep over the matter – i.e. keep the matter farthest when you go to sleep. Next day, review once more. If still no solution within the horizon, then be best prepared to handle the matter ‘as and when comes ‘…………………….