You say you got my number from a friend Now you're at my door just dying to get in But you don't know the fire from the wood And you can come on in but I don't think you should Now I'm not gonna say I'm keeping score But you should know I've been in love before And the sequel's never equal to the first You can come on in but this one's gonna hurt So there you are again outside my door A little puppy dog just waiting round for more You can sniff around all day and not find my heart You can come on in but this one's gonna smart Now is it Friday night and you are all alone 'Cause you're sitting there just waiting by the phone I'm gonna stop you there 'cause it might never ring Oh you can come on in but this one's gonna sting So there you are again outside my door A little puppy dog just waiting round for more You can sniff around all day and not find my heart You can come on in but this one's gonna smart