I am not an unclean person but I can be very messy. My problem is that I spend an hour or two here and there cleaning and always start with the communal areas, the pets and the garden. My room always left until last and therefore mostly neglected.
Today though I made time to give it a thorough clean and organize. Now I feel great and actually want to spend time in here (I want to sit at the sewing machine!). It's amazing what a tidy environment can do for your mood. Now the challenge us to keep it that way... you wouldn't think it'd be hard when I spend 80% of my day at least at work or sleeping.