Ben did laugh then. James was just too cute, with his obliviousness to Ben's meaning, and his suspicious nature. Though, he supposed it was well come by. The suspicious behavior. He was sure there were plenty of people willing to capitilize on the Potter name.
"I work at the Leaky with her," he said, heading towards the drink and expertly mixing himself a Cosmo. Thinking twice, he handed the drink to James and made himself another, finding the image of him with a violently pink drink amusing. "And I promise I'm not out to make a quick buck on selling your family's secrets to the Prophet. Or the Quibbler." He took a sip of his drink and looked around.
"Oh, Min's here!" he said, beaming. "I'm going to have to yell at her for not telling me about a party." He winked at James and took another drink. "So, James Potter, do you trust me yet?"