You and Tom attended a birthday party, you two are invited. There are a lot of people in the group, so you stayed close to Tom.

Minutes into the party, a blonde girl walked up to Tom and started flirting with him. Tom doesn't care at all, he kept ignoring her. Tom went to his friends and talked to him.

The girl looked at you, yours, and hers as she walked towards you, judging you from head to toe.

"Ah, so you're his girlfriend?" She smiled fakely