When I'm fat and old and my kids think I'm a joke Cause I move a little slow when I dance I can count on you after all that we've been through Cause I know that you'll always understand I won't act my age, no I won't act my age No, I'll still feel the same around you Hey! When I'm fat and old and my kids think I'm a joke Cause the stories that I told, I tell again and again I can count on you after all we got up to Cause I know that you truly understand I won't act my age, no I won't act my age No, I'll still feel the same around you I won't act my age, no I won't act my age No, I'll still feel the same and you will too Hey! When I can hardly walk and my hair is falling out We'll still stay up till morning We'll throw an after party, oh yeah, oh yeah I won't act my age, no I won't act my age No, I'll still feel the same around you I won't act my age, no I won't act my age No I'll still feel the same and you will too hey na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na