Cov lus piav qhia luv luv:

Lub dual zog tsis siv neeg hloov yog siv hloov ntawm ob lub zog. Nws muab faib ua cov khoom siv hluav taws xob uas muaj zog thiab cov khoom siv sib npaug. Thaum cov khoom siv hluav taws xob uas nquag siv hluav taws xob, cov khoom siv hluav taws xob. Thaum cov khoom siv hluav taws xob ib txwm hu ua, cov khoom siv hluav taws xob nquag yog rov qab siv dua tshiab), yog tias koj tseem tsis siv neeg hloov pauv hauv kev hloov pauv tshwj xeeb (cov kev hloov pauv tshiab / kev hloov kho tsis zoo).