Originally Posted by
kraftdinner_
Thanks for the input everyone! I spent one summer during undergrad working as a student border services officer with CBSA, and the one thing I learned from that experience is to never piss off an officer because they can make your life terrible
Yes - although you are free to assert your inalienable rights to entry (or whatever), immigration agents (at least those in the UK) have greater powers of detention, etc., and can generally be miserable sods. It's best not to get arsey with them - the costs can far outweigh any benefits.