What do I mean by cloudy, happy and sunny?

Cloudy days, happy days and sunny days mean that I am strong and optimistic. Happy on cloudy days: Be happy even if the weather is bad. The moral is that people should be strong, optimistic and open-minded when they are lonely and dark. Although love is uncertain and unpredictable, don't forget yourself. It is also a positive attitude to maintain a happy and optimistic attitude in the ups and downs of love. Sunny days have me: on sunny days, I will always exist. It means positive and optimistic, always full of sunshine. So cloudy, happy and sunny means I am strong and optimistic.