What can I do for my Sister ?

well priyak do not worry if someone gets angry from uus this means that the person is very much cared about you and also in hndi we say hum roothte kyon hai taanki ham jisse pyar karte hain vo humein mananein a jaye and also brothers and sisters ka relation hi aisa hota hai ki roothna manana laga rehta hai do not worry everything will get ok