Don't just think stuff.
Do stuff.
People try so hard to think themselves to better actions.
"Next time I'm gonna..."
"What really needs to happen is..."
I have lots of really great solutions.
In my head.
But did you know that you can act yourself to better thinking?
Just do stuff. Pick up whatever is next in front of you and get it done. Get it behind you. Help someone. Do something for yourself. Emphasis: do.
It's remarkable how good actions lead to good thinking. The above Good Group Tip explains the value of bringing your heart and your hands to the project, not just your head.