Harvey was another of those who not socializing tended to get into trouble. And hanging out by the bar all night was another of those things that'd probably lead him into drunk tank territory before the end of the night. Which was A. Not sexy and B. Not what he was going for at all.
So, when he noticed another person coming into the party, he flashed him a friendly grin and made his way over. "Hey! Welcome to the party, drinks table is over there, food somewhere that way." he added, gesturing. "Glad you could make it."