Seeing how Madison unilaterally declared war on Great Britain simply on a set of excuses with the sole aim of annexing Canada - the relationship could be described as 'unstable'.
Madison did not make many friends on either side of the United States - Canada border, either as well as creating deeper rifts within the United States politically and geographically.
Significantly more on Madison's War in such scholarly works
:Latimer, Jon - 1812, War with America. Cambridge: Belknap / Harvard University Press: 2009 Taylor, Alan - The Civil War of 1812: American Citizens, British Subjects, Irish Rebels, and Indian Allies. New York: New York: Alfred A. Knopf: 2012