Then you will have Spoon fed the spoon itself.
Your father is twice the age of your younger sister, who is five year younger then you. If you happen to be 30, how old is your dad?
If you are in Europe and one of your feet is in Germany while the other is in Belgium, then what country would you really be in?
No matter how hard you try, I can open what you can't. If it wasn't for me, on your front porch you would stand.
What am I?
