Logic Riddles

Question: I always wait unit you're off guard or get older so you can become easier to attack. Once your body is weak, I strike inside you and try to kill you. What am i

Question: A man walks into a bar and buys 3 pints in total costing 5 pounds the man leaves the bar wirhout spending a penny. Hows this?

Question: What is something you'll never see again?

Question: Emily has one brother, two sisters and three bowls. Last year, each sibling had a bowl. Is this possible? If so, why is there only two people in the house.

Question: If one cat is a mother, one cat a sister, one cat an aunt, one cat a cousin, one cat a grandma and one a granddaughter, how many cats are there?