The 3 biggest reasons people fail to change are:   

The three main reasons individuals struggle to change are: 1. They don’t really see the need to change. They feel as though others (externally) are "imposing" the change upon them. 2. A lack of clear, specific, and measurable goals. 3. There is little or no support (training, backup, and accountability) in reaching those goals. SMART can help fix that.