The fat man wanted to make a change in his life and make sure it stayed what?
Options:
- concretely
- permanent
- remain stable
- stagnant
- constant
Let's think carefully first. Step-by-step reasoning process:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Change can be made permanent. Things in life can be permanent. Permanent refers to remaining unchanged indefinitely. So the final answer is permanent.