Read, study, learn, steal from others.
Multiple perspectives exist on any situation. We choose to invest time and energy on ego and envy or ask, "what is needed now?"
In the movie A Million Miles Away, Jose Hernandez seeks to be an astronaut, a lofty dream for the son of migrant workers. When he is rejected, he doubles down on his dream and adds more skills - flight training, SCUBA, learning Russian. He never quits.
You've heard the saying, "Experience is what you get when you don't get what you want."
Focus on self-improvement and "what is needed" rather than alternatives.