The goals you set for yourself determine your emotional development and they form an action plan for a meaningful life.
You meet an antagonist -- internal: you wonder why bother, your story sucks, even you're bored by your own story or external: the dog needs to be walked, the mother her medicine, the family demands dinner now, the computer shuts down, the fatigue creeping across your shoulders at the thought of facing your story again -- stop.
1) Remind yourself of your long-term goal (Finish your draft)
2) Assess what you need to do right now to move toward that goal (A positive plan to clear your path of antagonists)
3) Quit blaming the antagonist (Hold tight to the vision of what you want: A complete draft)
4) Assume responsibility for that one thing you can do (Write)
5) Take positive action toward your goal (Write)
You can do this!
Today I write!
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For more: Read my Plot Whisperer and Blockbuster Plots books for writers.