Create a rule to yourself like quit playing games canceled flight. Quit quit drinking Facebook twitter add to provoke this line etc. What can be very effective if yup to attend your University.
Create a rule for myself as quitting the game quit quit quit drinking traveling enticement facebook twitter line etc. These have a dramatic effect on your college entrance exams.
Create rules for themselves, such as, stop playing the game to stop out quit drinking, stop playing Facebook Twitter line etc. สิ่งยั all over Europe these to great effect in college entrance exam.