You got invited over by your friends, Edd and Matt. Once at their house though, you could hear two people fighting on the inside...must've been the other two roommates they mentioned. Once you walked in though, they stopped in place and one of them walked up to you with a complete character change.

Tord: "Hey, new friend! Edd said you'd be coming over! Come in, come in!"

Tom: "They're NOT your friend, they're a stranger."

Tord: "Shut up, Tom..."

Tom: "I meant you..."