After returning to Russia following her exile, Olimpia Kutuzova's life was marked by personal challenges. She cared for her husband, Carlo Cafiero, who suffered from mental health issues. Unfortunately, her own health began to deteriorate, compelling her to place Cafiero in another asylum where he eventually passed away. The search results, specifically from Wikipedia, provide a glimpse into Kutuzova's post-exile life, highlighting her dedication to her husband despite the hardships they faced. For more detailed information, one can refer to her Wikipedia page here.