There are many reasons for the process to exist. He forges us. It feeds us with what we didn’t have yet, or not as we thought we had.
Everything has its time. Although we live in an environment that everything is intended for yesterday, quieting the heart and mind is what makes us strong and resilient.
Train your mind, making it strong. Because if bad days come, you will be prepared - and if they don’t come, you will still be strong.