Baby, baby, when we first met
 I never felt something so strong
 You were like my lover and my best friend
 All wrapped into one, with a ribbon on it

And all of a sudden, when you left
 I didn't know how to follow, it's like a shot
 That spun me around and now my heart dead
 I feel so empty and hollow

And I'll never give myself to another, the way I gave it to you
 Don't even recognize the ways you hurt me, do you?
 It's gonna take a miracle to bring me back
 And you're the one to blame

And now I feel like, oh, you're the reason why I'm thinking
 I don't wanna smoke all these cigarettes no more
 I guess this is what I get for wishful thinking
 I should've never let you into my door

Next time you wanna go on and leave
 I should just let you go on and do it
 Now I'm using like I bleed

It's like I checked into rehab
 Baby, you're my disease
 It's like I checked into rehab
 Baby, you're my disease

I gotta check into rehab
 'Cause baby, you're my disease
 I gotta check into rehab
 'Cause baby, you're my disease
 [bad word]  ain't it crazy when your love swept?
 You'll do anything for the one you love
 'Cause anytime that you needed me, I'd be there
 It's like you were my favorite [bad word] 
The only problem is that you was using me
 In a different way that I was using you
 But now that I know, it's not meant to be
 You gotta go, I gotta win myself over you

And I'll never give myself to another, the way I gave it to you
 Don't even recognize the ways you hurt me, do you?
 It's gonna take a miracle to bring me back
 And you're the one to blame

'Cause now I feel like, oh, you're the reason why I'm thinking
 I don't wanna smoke all these cigarettes no more
 I guess this is what I get for wishful thinking
 I should've never let you into my door

Next time you wanna go on and leave
 I should just let you go on and do it
 Now I'm using like I bleed

It's like I checked into rehab
 Baby, you're my disease
 It's like I checked into rehab
 Baby, you're my disease

I gotta check into rehab
 'Cause baby, you're my disease
 I gotta check into rehab
 'Cause baby, you're my disease

Now ladies, gimme that
 Oh, oh, oh, oh, oh, oh, oh, oh, oh
 Oh, now gimme that
 Oh, oh, oh, oh, oh, oh, oh, oh, oh

Now ladies, gimme that
 Oh, oh, oh, oh, oh, oh, oh, oh, oh
 Oh, now gimme that
 Oh, oh, oh, oh, oh, oh, oh, oh, oh

Oh, you're the reason why I'm thinking
 I don't wanna smoke all these cigarettes no more
 I guess this is what I get for wishful thinking
 I should've never let you into my door

Next time you wanna go on and leave
 I should just let you go on and do it
 Now I'm using like I bleed

It's like I checked into rehab
 Baby, you're my disease
 It's like I checked into rehab
 Baby, you're my disease

I gotta check into rehab
 'Cause baby, you're my disease
 I gotta check into rehab
 'Cause baby, you're my disease

Read more: Rihanna - Rehab Lyrics | MetroLyrics