Looking for a better climate and treatment at the mineral springs for the boy, Arsenyeva twice, in 1819 and 1820, took him to the Caucasus where they stayed at her sister E. A. Khasatova's. In summer 1825, as the nine-year-old's health started to deteriorate, the extended family traveled south for the third time. The Caucasus greatly impressed the boy, inspiring a passion for its mountains and stirring beauty. "Caucasian mountains for me are sacred", he wrote later. It was there that Lermontov experienced his first romantic passion, falling for a nine-year-old girl.