I water weekly, and even in the winter leave for 4 months! I overwater before going, and when I come back sone of it is mildly brown. A week later with water

I water weekly, and even in the winter leave for 4 months! I overwater before going, and when I come back sone of it is mildly brown. A week later with water replenishment, it's almost all green again. Makes sense for a desert plant.