Okay i have social anxiety and find myself worrying about things alot. Many people say that martial arts helps to decrease socia anxiety bc it builds self -confidence. Two question: What is the best martial arts that you would say builds sefl-confidence and kills fear? And have you found it to be helpful in the social area(dealing with ppl)? and one more question i can't afford classes right now so would watching training classes on youtube still be effective? thx everyone who has helpful answers