Your sticktoitiveness skyrockets because someone else depends on you, and good old friendly competition doesn’t hurt either. When you go through a painful process with others, the pain is diminished. The action of enforcing a plan or system with someone else ensures that you are more likely to do your part. When you meet regularly with your buddy and/or group, you get into a rhythm that makes it easier to stay the course and achieve your goal. Big aspirational goals get broken down into smaller achievable milestones.
