There are many reasons employees leave, including dissatisfaction with company work culture, inadequate salaries, no career development, and need for a better work-life.
Selling yourself to an interviewer shows how much of an asset you will be to a company and why you are the best fit for a role. Nevertheless, you don’t want to come off as arrogant or desperate.
Deciding between two great candidates can cause a massive problem for a hiring manager, and taking a lot of time before choosing a candidate may make you lose out on one or both candidates.