Simplify the following text for a Grade 10 native English-speaking person.
Original: After the lunatic asylum for the rest of his life had problems , Olimpia Kutusoff , mate of Cafiero , returned from Russia in September 1883 to assist him in the asylum of Imola .
Simplified: Olimpia Kutusoff , mate of Cafiero , returned from Russia in September 1883 to assist him in the asylum of Imola .