A Sister is a very close person that we have and Happy Birthday Sister Wishes should be something really special because Sisters are so special.We grow up with them, spend the good times and the bad ones as well together, standing strong. Donít you think we should think of something really special when itís their Birthday.we fight with her,beats her but we never hates her.on her special birthday we must make her feel special as she deserves it indeedly.happy birthday sister.happy birthday sister