Is it correct Swara??

Is it correct to trust a person again if they have betrayed you on several occasions and then all of a sudden they realise it n start behaving all goody good wit u even witout a proper apology to u??? In your case it is Ragini who broke your trust,shattered your lyf n Now u r advocating for your evil sister Ragini that she turned all Good!! Is Swara doing the right thing by trusting her??? What shud a Normal person do in such condition guys???