Create a funny analogy that compares the zipper to something else.
A zipper is like marriage, when it works smoothly everything is great, but when it gets stuck, all hell can break loose.
Complete the following task based on the instruction and optional input provided.### Instruction:
Create a funny analogy that compares the zipper to something else.

### Output:
A zipper is like marriage, when it works smoothly everything is great, but when it gets stuck, all hell can break loose.