Sorry No cure??What does it mean??

Well..As you all have heard about something like "Sorry No Cure" somehow...But do you all really know what does it really mean?? It mean somehow like..We had done something which is unforgivable..Thus we just apologize to someone who we did wrong to..and they will surely say this three letter...After this three words is out...It hard to please back that person..even you give out ur live or whatever...But sometime..those kind of problem can be solved...i wondering..is it becoz of the difference of personality?? A difference in personality..can change someone to another person..just not same person as you knew before..=.= As i start changed after form2... Just everything happened..which is occur becoz of me.. That time i will be saying sorry all the time...but the answer i get is just that 3 letters...Who invent those words??=.= It just make me feel uneasy...as you can see...if something can't be solved by sorry..then i will just let it be..Just let them do what they feel like...as they like to hate..It will as they wish..It doesn't matter of me..Even though they curse..It just doesn't matter...Sooner or later..Human also need to die..There is no immortality..=.= Just when you just like me..You will feel the difference of yourself and the world...Bcoz..You have just accepted the Fate just like me..There is nothing to goes against fate..If you don't have the guts..The power to do anything..There no way for you to go against fate...It just powerless...Just think more..And you will end up like me..Many ppl don't wanna be like me..As i was crazy or somehow i'm too plain..Don't catch up with the trend..=.= Just Be YourSelf..