Oh, heart, I hear you beating But her heart just ain't beating like youOh, heart, you gotta watch out now Or else she's gonna break you in twoOh, heart, you better believe it Save yourself for somebody newOh, heart, don't make such a fuss There's no hope for usShe don't care the way that you doLet me tell you nowWell, you're going crazyHey, can you hear a word that I say?Be careful, heartOh, ohBe careful, heartShe doesn't want youBe careful, heartWell, there's no use in acting this wayBe careful, heartYes, I'm telling youBe careful, heartYou better believeBe careful, heartBe careful, heartSave yourself for somebody newBe careful, heartDon't make such a fussThere's no hope for usShe don't care the way that you doYes, I'm telling you, heartBe careful, heartBe careful, heartNow she doesn't want youBe careful, heartOh, watch out your heartBe careful, heartOh, be careful, heartOh, be careful, heartOhBe careful, heartWell, watch out, heartBe careful, heartYou're gonna get hurtBe careful, heartOh, watch out your heartHeart, heartOh