Answer:
In my life I must bare my bloodline I must share.
When you stop and look you can always see me. If you try to touch you cannot feel me. I cannot move but as you near me I will move away from you.
I have a neck but no head. I have a body but no arm. I have a bottom but no leg. What am I?
If you drop me I'm sure to crack. But give me a smile and I'll always smile back.
I go through a door but never go in, and never come out. What am I?
When is it bad luck to see a black cat?