Birthday is a joyous occasion and fun and frolic is an integral part of it. Although we grow older by a year and slowly approach the dreaded old age, the very thought of birthday brings to every face a spark of life and happiness. In case you are wilting away thinking of the increasing age, fret not. Instead, cheer up and enliven your mind and soul thinking of all the good things that come with getting old. Remember that growing old is mandatory, but growing up is optional. Don't let the child element in you perish and you would always remain happy and encouraged to live life as it comes. Here is a list of funny birthday quotes to bring your sunny side up.