This quote is sweet because it tells that special someone that they really mean something special to you! Being the secret to someones happiness means you always make them happy and put a smile on their face. Sure, we all go through tough times here and there – but being with the one we love is really the key to happiness. Share this special quote with someone who you really do love and really does make you happy. Let them know how special they are to you and that they’re the key to your happiness! Don’t forget to browse around our website some more and find even more good love and relationship quotes!