On the r/AmItheA**hole subreddit, one Redditor (OP) recently opened up about their older sister’s life-changing decision. At 19 years old, she had to leave college to take care of a two-year-old kid their late father had with his affair partner.The OP explained in the post that their family went through a tough time due to their father’s cheating. While the OP still hated their dad, the sister for