Jughead would agree with her on that. Hiding any aspect of oneself could be problematic, especially if later on it felt like deliberate deceit or something. It was better to just be up front, and honest from the start.
"Honestly, I have no idea," he told her. "I haven't been here long enough to do any investigating." Which, he had to say, was his specialty. He and Betty were a hell of an investigation team. He wasn't sure how effective and efficient he'd be without Betty, but the fact his usual partner wasn't where with him wouldn't deter him.