Good question. There is only one way to gather confidence and that is by believe in your abilities. And how does one do this is, it is by constantly reassuring yourself of your potential that you can do something has long as others too can. Self believe is very great first step in achieving that.

Secondly you have to stop looking down on yourself by building your self esteem. Our esteem is everything has it has a way of reflecting in our outlook and confidence level. Sometimes it is best to hype yourself will your work towards achieving that state of been high-minded and confident in all of your abilities.

You shouldn't also allow yourself to be discouraged by other people. What Other people say about you shouldn't matter much. The opinion only give us reasons to improve. We shouldn't allow it to weigh us down. The more you set to better yourself all round, the more you fears to certain things dies. We seek to always trample on our fears has that is the limitation to us failing to achieving confidence.

Lastly in whatever area of interest you wish you to better yourself, you ought to constantly practice has there is no other way to well confident in something until you master it thoroughly. Little wonder it is said, practice makes perfect. Achieving the state of been too good at what you do takes away the fear. For teaching and that of football, or asking a girl out, you can always the first step trying out by doing it indoors or low crowded place with friends.