The more house clothes you have, the less often you will need to do laundry. It should follow, however, that you have good storage space for these clothes and a good memory for everything that you have.

The more house clothes you have, especially of different kinds and colors, the less likely you will be bored with what you wear and how you look.

The more house clothes you have, the more you will be able to out on what suits your mood at a particular time.