He key personal decisions that can influenče your personal safety while exercising are

Making sure you have enough liquids, like the other answer saidExercising outside only in appropriate weatherExercising outside only in daylight hoursHaving your phone with you in case you need to call for help if you become injured or abductedMaking sure that you stretch before and after to improve performance and to decrease the likelihood of injuryPossibly having a personal alarmTrained in a martial art or hand-to-hand combatHaving proper clothing and shoesNOT wearing earbuds that impair your awareness of your surroundings

These are just a few that I thought of :)

Maybe if you put away all your electronics and lock them with a key and give the key to some one you trust like your parents for about a month to stop the process