Live the dream
Definition 1 of 1
Pro Tip 1/3Positive Connotation
The phrase often implies happiness and fulfillment from achieving personal goals. 
She finally became a pilot and is living the dream.
Pro Tip 2/3Idiomatic Usage
Used metaphorically and should not be taken literally; it's about a feeling of success. 
By traveling the world with his music, he's living the dream.
Pro Tip 3/3Cultural Aspirations
Can reference common cultural goals like wealth or career success. 
She got to Hollywood and is living the American dream.