Life is tough but birthdays are smooth because I will finally have a chance to smile at you. Happy birthday. dhavalvadi 4 years ago Life is tough but birthdays are smooth because I will finally have a chance to smile at you. Happy birthday. 1 Life is tough but birthdays are smooth because I will finally have a chance to smile at you. Happy birthday. Life is tough but birthdays are smooth because I will finally have a chance to smile at you. Happy birthday.