I went abroad for a year at 19 so what? And it was a lot further than a 2 hour Ryanair flight away. Who cares. Is he somehow suggesting these "friends" followed him around and moved everywhere with him?!
He's not 16 caught smoking in the boys room and blaming the lads he hangs around with. He's a fully functioning adult and independent 22 year old.
Come back and interview in a year when you've done something. Keep your mouth shut and head down until then