Txhawm rau txhim kho lawv lub tsev nrog qib siab tshaj plaws ntawm kev nplij siab thiab kev nyab xeeb, tib neeg feem ntau nyiam nruab qhov rooj hlau hauv lawv lub tsev es tsis yog ntoo. Lawv txawv los ntawm ntau qhov zoo, nrog rau kev ua haujlwm tsis zoo, tab sis lawv lub neej kev pabcuam yog ntau xyoo. Qhov tseem ceeb tshaj plaws yog kom paub xaiv lub qhov rooj hlau