Why Do I Feel so Sad

Friends we've been for so long Now true colors are showing Makes me wanna cry, oh yes, it does 'Cuz I had to say goodbye By now I should know That in time things must change So it shouldn't be so bad So why do I feel so sad? How can I adjust To the way that things are going? It's killing me slowly Oh, I just want it to be how it used to be And I wish that I could stay But in time things must change So it shouldn't be so bad So why do I feel so sad? You cannot hide the way you feel inside I realize Your actions speak much louder than words So tell me why, oh By now I should know that That in time things must change So it shouldn't be, it shouldn't be so bad So why do I feel so sad? By now I should know That in time things must change So it shouldn't be so bad So why do I feel so sad? By now, by now I should know That in time things must grow And i had to leave to you behind So why do I feel so sad? If it couldnt be that bad Tell me why? By now I should know That in time things must change And I had to leave you behind So why do I feel so sad? Oh, why do I feel so sad? (why do I feel so sad?) When I know that it must change (why do I feel so sad?) It must change, I don't mind Just be real with me, just be truthful And the rest, I'm leaving up to this one, yeah Why does it feel so bad inside When I realize that you got to be left behind? (I feel so sad)