Answer:
What do you get when you cross a pig with a karate expert?
Sometimes I am white, sometimes I am dark. Most people love me. What am I?
What insect does a blacksmith manufacture?
Born of sorrow, grows with age, you need a lot to be a sage. What is it?
My days are numbered. What am I?
No matter how little or how much you use me, you change me every month.