Solve all of these riddles for a Brainlist

1. What has to be broken before you can use it?
2. I’m tall when I’m young, and I’m short when I’m old. What am I?
3. What is full of holes but still holds water?
4. There’s a one-story house in which everything is yellow. Yellow walls, yellow doors, yellow furniture. What color are the stairs?
5. A man dies of old age on his 25 birthday. How is this possible?