Answer:
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.
With three leaves, I am just a plant. Add another leaf and everyone will want me for good luck. What am I?
I had a bright start but I couldn't take the pressure. I consume everything yet I don't eat anything.
I can be sweet or sour. I do not rhyme with any other word
3 point goal
Keep doing me to avoid lens dryness