AITA for not telling my kid im not her actual dad
When I (24m) was 19, my mother had my younger sister, Mj, and subsequently returned to drug use, frequently abandoning her. Wanting to give Mj a stable life, I filed a petition and gained full custody when Mj was two. I am legally her father, and she knows me only as Dad. A year ago, I started dating my girlfriend, Ida (24f). She seemed to connect well with Mj, taking her on outings. I prop

