"The price could be the loss of access to the European market which, as I say, is 44% of Britain’s exports. That’s a lot of jobs, a lot of profits. The government is not there to do what we want. We’re there to do what’s in the national interest.”
Fox said he believed cabinet members would vote for the deal and warned that those who do not “won’t be members of the cabinet”
https://www.theguardian.com/politics/2018/nov/30/liam-fox-backs-theresa-mays-brexit-deal-ahead-of-key-commons-vote
Hmmm...