Acting is what confident people do to further boost their confidence and what insecure people do to further enhance their insecurity. Sometimes it’s hard to know which is which.
Being on stage is very similar to standing on the edge of somewhere very high up and feeling the urge to jump – and then jumping. If you’re lucky, you’ll get a long free fall, but the ground will always be there to meet you, sooner or later. The fall is nice, though. Some people even have the good sense to bring a parachute.