O Allah, bless it (or him). When you see something you admire in yourself or others, ask Allah to bless it so that your eye does not harm it: "Why did you not ask for blessing for him?" The evil eye is real. Ruqyah with al-Fatihah, Ayatul Kursi and the last three surahs is also prescribed.
Reference: Ibn Majah 3509 and Malik in al-Muwatta (sahih); Muslim 2188
