Selfish.
This term hits me so badly right now. Everyone is selfish. No matter how kind or nice someone can be, there will always be a time when he or she behaves selfishly.
I personally think it is alright to be selfish when you're not causing harm (physically or mentally) to others. However, when an individual's selfish act causes harm to others, I find it unacceptable.
Don't expect me to be smiling and understanding if you're behaving selfishly most of the time. I am not a nice person. I repeat I am not a nice person.