The Argus persuaded two couples with contrasting attitudes to fitness to swap roles for a week.
As we reveal today, it wasn't entirely a success. The fit people felt frustrated by not taking exercise and the couch potatoes didn't fancy all that physical work.
The moral is that for every person who wants to keep fit, there's another happy to keep fat.
Comments: Our rules
We want our comments to be a lively and valuable part of our community - a place where readers can debate and engage with the most important local issues. The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.
Please report any comments that break our rules.
Read the rules hereComments are closed on this article