Logic Riddles

Question: How does Halloween come before Valentine's day?

Question: A chicken gives meat and egg while cow gives us milk. Find another who gives us all these?

Question: If there's a pound of lead and feather, which is heavier?

Question: There is a guy in a parade. The crowd says that he has eyes that never blink, but he says he can see them. They also say that he has a mouth that never moves even though he can hear them talk to him. How is this possible?

Question: What can be broken but never forgotten?