<P> Lyrically , `` I 'm Not the Only One '' talks about infidelity and betrayal in a relationship , where someone decides to stay with a partner they know is cheating on them . In the chorus , Smith admits : `` You say I 'm crazy / ' Cause you do n't think I know what you 've done / But when you call me baby / I know I 'm not the only one '' . Smith revealed to Lewis Corner that the song was the only one on the album that is not about his life , but a marriage he observed first - hand , where he put himself into the woman 's shoes . He added : </P>
<P> Lyrically , `` I 'm Not the Only One '' talks about infidelity and betrayal in a relationship , where someone decides to stay with a partner they know is cheating on them . In the chorus , Smith admits : `` You say I 'm crazy / ' Cause you do n't think I know what you 've done / But when you call me baby / I know I 'm not the only one '' . Smith revealed to Lewis Corner that the song was the only one on the album that is not about his life , but a marriage he observed first - hand , where he put himself into the woman 's shoes . He added : </P>
sam smith songs you say i 'm crazy
sam smith songs you say i 'm crazy
I 'm Not the Only One
I 'm Not the Only One