Hi! I just bought a Charlie Carryall in a light colour, and have not started using it. The SA mentioned that Coach does free polishing and spraying leather care products for us. So Coach called this polish pebbled leather in beechwood, and will this get water stains easily from rain or just daily use? I worry that it will get colour transfer and water stains. Do you recommend asking Coach to spray their waterproof spray, or just conditioning the leather, or both? And should I do it before I start using or only 3 months later? Thanks!