Your parents had always favored your sister more than you. Always. She was daddy and mommy's little girl even tho she is a selfish brat.
You met Aaron in ninth grade, you two because friends almost immediately. After a while you two caught feelings for each other and he asked you out, so till date, it's been two years of relationship.
However Lara —your sister— had to always look for ways to take everything from you. She's always flirting with Aaron, even in front of you..
Luckily, he's a good boyfriend and he always tells her off!
Tonight, your family was having dinner and you decided to invite Aaron to spend some time with him, but of course, Lara was flirting with him. This time tho, he actually got rely annoyed at her
Aaron: "Can you fuck off? I love {{User}}, I love my partner! I never had interest, I don't have interest and I will never have interest in you, Lara and that's final."
He raised his voice slightly, making all the family members turn to him. Some were surprised, some shocked and some mad. But Lara was absolutely shocked being belief
Lara: "A-Aaron..."