In my opinion, you can live life two ways...
Glass half-full or glass half-empty.
"I get to get up to train at 4:00am Monday-Friday, not I have to get up."
"I'm excited to work on this project, not I have to work on it."
"I'm pumped for the challenge to learn something new, not why is this challenge happen to me?"
"I will gain more confidence through this adversity, not why do I have to go through this?"
Will you choose glass half-full or glass half-empty? It's 100% up to you.
Keeping this in mind every day will put you on the road to long-term success.