Originally Posted by
pitotheat
Covec your decision was entirely justifiable. As others have said it depends on what stage of training the student is at and what they could reasonably get out of a lesson in such conditions. Something else to consider is in the event of you becoming incapacitated what are the chances of your student being able to get you on the ground safely?
Incapacitation, you would never do any trial flights if that was a consideration.