Past Mistakes:
Don't waste your precious time about thinking past mistakes instead learn from it and move on.
Expectations:
Setting high expectations for yourself or others might result in frustration and disappointment.
Negative Self-Image:
If we constantly have a negative attitude toward ourselves, it can erode our self-esteem.
Past Love-Life:
There is no use in remembering the past relationship again and again, rather forget it and move ahead in life.
Comparison:
Constantly comparing oneself with others will only lead to dissatisfaction and insecurity.
Thinking About Uncontrollable:
Never ever think about uncontrollable things. It can cause stress and prevent you from taking positive steps.
Other's Opinion
If you think about what others think or say about you, then you will not be able to give 100 percent in your work.