Where Canadian Bacon Comes From?

60-something man, watching obese woman board bus, loudly: So fat!
30-something woman, quietly: Yeah, sometimes it might be genetics or something. Not just cured by exercise, you know?
60-something man, loudly: I try to avoid getting too close to people who are that fat. I'm scared they'll just explode and innards will get all over me!
30-something woman: (disgusted look)

London
Canadia

Overheard by: On the bus