What does Deuteronomy 30:20 mean?

Love the Lord your God, listen to his voice, and stick close to him. That's what life is all about. If you do, you'll get to stay in the land he promised to your ancestors—Abraham, Isaac, and Jacob. Deuteronomy 30:20 - Modern Text Bible

(Moses sums up what matters: loving God, paying attention to him, and staying connected. That's the path to a full life and the future God wants for them.)