Searching for a new job while you still have one puts you at an advantage—but interviewers will want to know why you’re looking for something new. Ideally, you’re leaving your current job only because you found out about this one that you’re interviewing for, that will provide you with career advancement or other opportunities. You hate to leave where you are now because it’s fantastic and you love working there, but you can’t pass up this chance. If you are interviewing for a position that is essentially a lateral move, this can be a touchier answer. Read more.