The following result is obtained by our expert's opinion:
People always consider giving yourself priority a meaningful act. But, you are here for yourself only, nobody is here for you. You need to understand that there is nothing bad in giving yourself priority over others. Hence, there is nothing bad in giving yourself a priority for you.
But being mean by using others is not good at all. Being mean is very bad even it was done for only onetime. There is a difference in being mean and giving yourself a priority, you just need to understand this difference to act well.