Lena Koropey, her mother, and dog Lela.Courtesy of Lena KoropeyAfter her mother was diagnosed with Alzheimer's, Lena Koropey became responsible for her well-being.She bought a home for herself and her mother and plans to build a tiny home in the backyard.When the tiny home is complete, she plans to move into it and give her mother the main house.This as-told-to essay is based on a conversation with Lena Koropey, 48, whose mother was diagnosed wi…