I'd say you have to be really committed to the field, show up for every audition and to be aware that very few make it in this field.
“Contrary to what you might think, China's economy is relatively less efficient, and more polluting, than those of rich countries.”
“Hence a ship is said to be tight, when her planks are so compact and solid as to prevent the entrance of the water in which she is immersed: and a cask is called tight, when the staves are so close that none of the liquid contained therein can issue through or between them.”