There is a concept in chemistry known as activation energy.
Here’s how it works:
http://www.businessinsider.com/here...t-building-better-habits-2015-8#ixzz3itDZoYSr
Here’s how it works:
http://www.businessinsider.com/here...t-building-better-habits-2015-8#ixzz3itDZoYSr