The root cause of this approval or validation seeking behavior is low self esteem and the fact that you feel a sense of inferiority instilling inside you. The reason can be one's natural personality trait or external influences like upbringing and cultural experiences. The Solution self love and self confidence. You are bound to feel anxious about yourself at times. Question yourself. Have self doubts, but you also need to have faith in yourself, your choices and your decisions if they turn out to be wrong. Learn from them