Listening to Taylor Swift, George Winston, or Stevie Wonder, the pattern is there; beginning, following, shifting and stabilization. It is the same as we write an essay, like a river flows
The Japanese like sakura, cherry blossoms mainly because it is associated with farewell at school and work when Japan's fiscal and school year begins in April. Pop songs on air this particular time are called sakura songs with which people feel nostalsia of the past time and expect a change around.
When you sum up all the salary you got and was it you expected? Will you expect more to be earned continuing the current work? If you expect less, you need some change.