Logic #98: The Thing

605 9 12
                                    

~~~~~~~~~

Logic #98:

I can be seen, I can be not. Thanks to me, you'll fall in love. I mostly am sweet, but once I were sour. You can receive me, you can't just buy me. You only can send me, or simply share me. What Could I be?  

~~~~~~~~~

The clue is also just reading the second sentence, is that correct?

A Logic BookWhere stories live. Discover now