I, I won't shut you out Let me in, pretty baby I, I won't let you down Oho, it's a sin, pretty baby It's a sin, pretty baby I believe in you Since the time we're together I believe in you When you say that you love me When you say you need me A whole life through I believe in you Take me into your heart Let me in, pretty baby Into your life, my love True, truly I must say Ooohooohooo, you're the one, pretty baby True, true love 's here to stay We'll have fun, pretty baby We'll have fun, pretty baby I believe in you From now on 'till forever I believe in you When you say that you love me When you say you need me A whole life through I believe in you I won't leave you alone It's a sin, pretty baby It's a sin, pretty baby I can't make it alone I can't make it alone