so why did you declare the phone? with all the traffic at that crossing, he was probably grumpy because your honesty interuppted the smooth flow of "don't ask. don't tell" smuggling that occurs at all busy crossings.
Back in the heyday of cross border shopping there was a joke making the rounds in Sault ste Marie Michigan (across river from Sault ste Mare Ont)
" How do you spot a Canadian in Soo, MI?
" He is carrying 2 turkeys and smnells like gasoline"