Read the following context and choose the best option to answer the question.
Context: He had tried so hard , he had done everything he could to save them , to repair all the cracks that had formed in their relationship through the years , but it still was n't enough . He thought that if they could overlook each other 's indiscretions , pardon all those not so innocent touches and smiles , that they could salvage what they had . But fight after fight , as they struggled with each other , against each other , Junsu slowly lost sight of what he was fighting for to begin with . It used to be like rainbows and daisies whenever they were together , but as time passed and as they grew , so did the distance between them .
Question: What may be what Junsu means when he says " rainbows and daisies " ?
Options: 
A. None of the above choices .
B. It means that the only people who are happy are those that have a connection with flowers .
C. He is using the expression to highlight that they were both very happy and content .
D. It means that life is mostly negative and will never be like when people were children .


C