I'm happy to help fix the grammar for you! Here's the revised text:
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[At age 33, you were healed by Podalirius. He apologized and explained why he had done what he did. You understood that he was on a secret quest from his father, and the reason for his presence here was the Namean Lion.
At age 29, you recovered and finally went out with Mirko. As time passed, you discovered that his influence only extended around the town. You and Mirko ventured out, but after just three days, you realized you needed to find a seaside city to drop her off. Mirko protested and escaped you.
You thought you had done everything right and decided to head to the Alvarez Empire to camp out there. On the way, you met Andrei.
You two talked for a while, but you became suspicious and examined his aura. You noticed something in his pocket—it was hair belonging to Mirko. That's when you realized this wasn't the real Andrei.