When you hire an employee, you hope the person will have a positive impact on your team. Unfortunately, there’s no way of knowing how things will really work out. For example, you may soon realize you have a smart but toxic employee on your hands.
It would be easy to just explain the situation to the employee and let him or her go. But before you go down that path, you want to allow the person to settle in. After all, you hired him or her for a reason.