Air Canada passenger opens cabin door, falls out of plane before takeoff at YYZ
Air Canada passenger opens cabin door, falls out of plane before takeoff at YYZ

Air Canada passenger opens cabin door, falls out of plane before takeoff at YYZ - Toronto | Globalnews.ca

He knew that he was willing to help in the case of an emergency, but needed to double check that he was able before the stewardess came around and asked.
Good thing he checked too, because it turns out that no, he would not have been able to assist in an emergency. Well, other than opening the door and promptly falling out.