C Em F Who knows your birthday? Who knows your number? A A# Who knows your color? Who knows your hands? G C G# C Who knows the sum , the sum of all your parts? C Em F Who knows your limit? Who knows your highest? Am A# Who knows your lowest? Who knows your end? G C A# G# Who knows the bottom , the bottom of your heart? D# A# C A# G# G Fm Hold on, hold on, keep holdin on to me. A# C# A# Fm G I will love you from the bottom , no one holds you better than me. D# A# C A# G# G F#m Hold on, hold on, doin the best we can. A# C# A# Fm G I will love you on your birthday. I will love you better than them. C Em F Who knows the reason? Who knows the cure? Am A# Who knows the answer? Who knows the cost? G C A# G# Who knows the pain, the pain when were apart? D# A# C A# G# G Fm Hold on, hold on, keep holdin on to me. A# C# A# Fm G I will love you from the bottom , no one holds you better than me. D# A# C A# G# G Fm Hold on, hold on, doin the best we can. A# C# A# Fm G I will love you on your birthday. I will love you better than them.