People say we shouldn't be together We're too young to know about forever But I say, "They don't know What they're talk-, talk-, talking about" (talk-, talk-, talking about) 'Cause this love is only gettin' stronger So, I don't wanna wait any longer I just wanna tell the world that you're mine, girl, oh ♪ They don't know about the things we do They don't know about the I-love-yous But I bet you if they only knew (they don't know) They would just be jealous of us They don't know about the up-all-nights They don't know I've waited all my life Just to find a love that feels this right (they don't know) Baby, they don't know about, they don't know about us One touch, and I was a believer Every kiss, it gets a little sweeter It's getting better Keeps getting better all the time, girl They don't know about the things we do They don't know about the I-love-yous But I bet you if they only knew (they don't know) They would just be jealous of us They don't know about the up-all-nights They don't know I've waited all my life Just to find a love that feels this right (they don't know) Baby, they don't know about, they don't know about us They don't know how special you are They don't know what you've done to my heart They can say anything they want 'Cause they don't know about us They don't know what we do best That's between me and you, our little secret But I wanna tell 'em I wanna tell the world that you're mine, girl They don't know about the things we do They don't know about the I-love-yous (I love you) But I bet you if they only knew (if they only knew) They would just be jealous of us (they would just be jealous of us) They don't know about the up-all-nights They don't know I've waited all my life Just to find a love that feels this right (feels so right) Baby, they don't know about, they don't know about They don't know about the things we do (they don't know about us) They don't know about the I-love-yous (they don't know about us) But I bet you if they only knew (they don't know about us) They would just be jealous of us They don't know about the up-all-nights They don't know I've waited all my life Just to find a love that feels this right Baby, they don't know about, they don't know about us ♪ They don't know about us