Creepy old people
To say Oliver was nervous was an understatement. He had carefully thought about going to Liam's place, but just kept putting it off. I mean, his aunt had practically seen them eating each other's faces just the previous night, and he was going to face her? What about Liam's parents? How were they going to react? Plus, he hated crowds, remember? And he had a feeling the place was going to be filled with different people.