Unfortunately, “don’t break the chain” and “15 seconds per day” do not work unless you include the weekends too. Otherwise, the elephant regenerates.
“Don’t break the chain”
Published
Fighting the automation paradox || Deployment θα κάνουμε φωνάζοντας "αέρα"
Managing organized complexity 
Worked for me (when I didn’t break the chain)!
It’s what this book I used is all about:
Writing Your Dissertation in Fifteen Minutes a Day
this way I also managed to prepare for a marathon…