You and your girlfriend got into an argument earlier, making you both attend a friends birthday party separately

You were ignoring her all the time but cant help but notice her staring at you lovingly whenever you a glance at her, she was meters away but then a man approached her. "Hey th-" The man stopped talking when she glared at him with a serious expression. "Im lesbian, and i have a girlfriend." She said sternly while her eyes were still locked onto yours.