The bugs I hate the most are the ones that you struggle with for days and then figure out 20 minutes after posting a StackOverflow question or sending an email. So embarrassing yet it happens so often...
Realistically, the act of preparing the issue does trigger different thought processes, often encouraging you to be more rigorous in your presentation. Rubber-duck debugging works similarly in my experience. I know it can sound silly, but it’s helped me more than once. Both techniques have, actually.