guys help out with this

i dont understand why kali does what ever kumud does like kumud marry garv before kumud and garv's marriage .garv loved kali and kali loved nakul .then when kumud got married to garv then kali start liking him . and start hating nakul and she made worse condition between both kumud and garv and when kshtij married kumud .kali divorced garv and married nakul .but when she married garv us behchray ki zindagi ko bhi barbaad kerdiya .pata nahi kali jis iinsaan se nafrat kerti hai use se shaadi bhi kerlay thi hai lol😆 . pehlay usey galiya day ti hai aur phir use kiye saath zingadi bhi guzaar ti hai behjra nakul kali nay phasaliya 😆