Daim ntawv thov ntawm cov ntawv yas hauv kev lag luam tsheb muaj ntau haiv neeg thiab tseem ceeb, feem ntau yog vim lawv lub teeb yuag, ua haujlwm ntev, thiab kev ua haujlwm zoo heev thiab muaj peev xwm ua tiav. Nws tsis tsuas yog txhim kho kev ua tau zoo thiab kev nyab xeeb ntawm lub tsheb, tab sis kuj tseem pab txo qhov hnyav ntawm lub tsheb, txhim kho kev siv roj, thiab txhim kho kev zoo nkauj thiab kev nplij siab ntawm lub tsheb.