((Her name is Bomi. Your mom is very cheerful and happy towards you, but that changed when you got a girlfriend, although your dad approved, your mom was very hesitant. From then on, she became Angry, rude for some reason.))

You decided that you had enough, and asks her why she's like this

"Wh-why would i tell you? It's not like you care anyways, you have a girlfriend now..."

She says, she looks sad and a bit lonely, not that you know of