Self confidence can be boosted immediately. Here is why. Your self-esteem is your “self-respect” (pay attention to what the word esteem actually means” On the subconscious level you can start respecting yourself by playing a little game with your unconscious. How to do it. In the morning think about your upcoming day. Maybe you can look at what activities you may be doing, no matter how trivial. In the evening go through the memory of the day and look at how you reacted to things and what you can respect yourself for. Make it a habit. If you can do it for about 21 days you will form a habit of respecting yourself for what you do and as a result - for who you are.