Answer:
I will go within you and destroy you. Only because you wanted me too
Keep doing me to avoid lens dryness
What do you call a pig that is no fun to be around?
I can be sweet or sour. I do not rhyme with any other word
Without a bridle, or a saddle, across a thing I ride a-straddle. And those I ride, by help of me, though almost blind, are made to see. What am I?
The answer I give is yes, but what I mean is no. What was the question?