Thank you for the opportunity to help you with your question!
Many foreign people wonder why you people sit on the floor. It is very rare to see one sit on the floor in Western countries where impressive mats are not common. Many foreign visitors to your countyr and find it hard and sometimes painful to sit on the floor, opting instead for the familiarity of the couch or chair. o the, this is really strange.
Please let me know if you need any clarification. I'm always happy to answer your questions.