The term sweet lemons comes from the saying, "When life hands you lemons, make lemonade." It means making the best of an undeniably bad situation, even if it involves complete and utter denial, mixing lemons with cuploads of sugar until they actually taste sweet. It is essentially the equal opposite of sour grapes.
Jimmy was born with a third nipple. This would normally not be something to rave about, but his mother gently reassures him, "Well, look at it this way, son; you're unique and you'll always have something for show and tell." :) Sweet lemons!
When life gives you lemons, you say thank you. Why do you need lemonade? Huh. Why do you got be soooo extra and burn some fossil fuels while you’re processing your lemonade. Lemons are HEALTHY!!!!! EAT THE LEMON!!!!!!