Never being hungry or thirsty means having an endless supply of grace, favor, and mercy at our fingertips, simply because we are God's off-spring and He can shower us with any of those things whenever He so chooses. No, we can't take those things for granted, but we can be blessed with His goodness even though we don't come anywhere close to deserving it. Thankfully though, we can call Him, "Father".
Yes, God activates His blessings as we continue to trust in Him. And although we don't always know when He will act, He will remember what He said in John 6:35. Getting our daily bread -- our daily dose of the Lord, is something we sometimes overlook, but He's there regardless. He loves us that much and He gives us that awesome assurance constantly.