how can we control our negative thinking about our parents ,friends ,relative and live good and happy life
Following good lifestyle will definitely help you to get rid from the negative thoughts also keep yourself occupied with some work so that you dont get time to think negative.
One of the best way is to develop some interest it may be anything like playing or creating idol or painting so that in your free time you can work upon your skill and then it will help you positively.
Meditation is also helpful in coping this situation and regular exercise and and yoga is also beneficial.