In any basic art or photography class, you learn about the effective use of repetitive shapes and/or form in art. When you distill things down to simple shape or color and then repeat it in the frame, there is a rhythm and a rhyme that is most pleasing to the eye.
Look for some soothing repetition in your daily routine to remind you how peaceful it can be.
This is our house. I love the warmth of the brick colour. There is just something about a red brick house to me that says 'home'.