Sayyiduna Qatadah bin al-Nu'man (may Allah be pleased with him) said that the Messenger of Allah (peace and blessings be upon him) said: "When Allah loves a servant, He keeps him protected from the world, just as one of you keeps his sick person protected by withholding water from him."
Hadith Referenceالمعجم الكبير للطبراني / باب القاف / 16067