Eliminate half-work at all costs

Examples of half-work:

• You start writing a report but stop randomly to check your phone for no reason or to open up Facebook or Twitter.
• You try out a new workout routine. Two days later, you read about another “new” fitness program and try a little bit of that. You make little progress in either program and so you start searching for something better.
• Your mind wanders to your email inbox while you're on the phone with someone.