Her grandmother, she continued, believed that “blood ties were more important.
”Responding to the OP’s treatment of the other girl as a “second-class member” because of her adoption, a user pointed out that OP and her grandma were to blame. Given that the adopted child was adopted at a later age, another user brought up how challenging it must have been for her to integrate into the family.
The majority of users thought that the entire family was to blame. Here are some more remarks from Redditors: