You sure of what your name is You're sure of where you live You know how much you make Oh, you know how much you give You know where your house is You know which road to take Ah, but you're sure about lots of things Look out, there's one mistake There just ain't no doubt There's just one thing you're never too sure about Never can be too sure about the girl Oh, you never can be too sure about the girl You leave it there, when you get back She calls you Bill when your name is Jack Never can be too sure about that girl ♪ You know about the truth You can see it in her eyes One thing you know about love It'll cut you down to size You hear what they tell you Do you do what you're told? And if they say yes, does it mean it's really so? There just ain't no doubt There's just one thing you're never too sure about Never can be too sure about the girl Oh, you never can be too sure about the girl You leave her there, when you get back She calls you Bill when your name is Jack Never can be too sure about that girl You're ready for the thrill tonight You think you'll take it slow But she's forgotten more, boy Than you will ever know ♪ She calls you up in the middle of the night She says she's lonesome and alone You're all revved up, finally some place to go You knock on that door, nobody's home ♪ Never can be too sure about the girl Ooh, you never can be too sure about the girl You leave her there, when you get back She calls you Bill when your name is Jack Never can be too sure about that girl Oh, you never can be too sure about the girl She'll drive you crazy boy, oh, no, no Never can be too sure about the girl Never too sure, never too sure Never too sure, never too sure Never too sure about that girl Ah, you never can be too sure about the girl Ah, you never can be too sure about the girl