Lack of confidence and self-esteem is an experience that lots of people go through. If you feel that you lack self-confidence it is important that you try to do something about it because self-confidence will fuel your energy and willpower to succeed in various aspects of your life. Try to understand why you have a lack of self-confidence. Then make a simple action plan so as to address those weak points. For example, if you do not have the courage to speak up in your relationship about how you are truly feeling, challenge yourself to do it. Setting measurable goals and working to achieve them will help you gain self-confidence little by little. Creating a support network with people who support your efforts is also helpful. Also, try to take good care of yourself physically, stay as positive as you possibly can and optimistic. Spend time reading and listening to motivational content, this will help remind you of your strengths and how to remain confident even in difficult circumstances or situations. Finally do things differently, if you are not getting the results you want with your present actions then change is necessary.