It can help you because if you're not afraid of laughing at yourself then you won't mind as much if people laugh at you and you'll in a way realise that you're also one who makes mistakes this is my aspect on it I ain't saying it's the best answer
Establishing a link between malpractice and harm is a link distinction
Stretching slowly will help increase your flexablity. Bouncing while stretching, if you bounce to far down, you could break something. I hope I helped!