How to self control

I’m sure all of you want to know how to self control. Because many disadvantage when you don’t self control. I’m sure you can stress very highly when you not to self control. When you not handle your stress you can get many disease. The serious disease are high blood and cancer. This is tips how to self control:
1) Goals and purpose are relatively clear and consistent
2) Release energy and reduce built up tensions.
3) Encourage social growth and responsibility