Different?

Thought things were different, thought you werent the same, But what do i know? i got it wrong again, You keep making these promises, You keep letting me down, It's starting 2 feel like u dont want me around, I try and laugh it off, pretend it's ok with a smile, And i dont mind doin it for that short while, but when im alone i break down inside, i lay on my bed, i think and i cry, if i mean as much as you say, why do you keep making me feel this way?