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And so are you saying that if I'm snoring, that it's actually bad for my long-term health?

It's really interesting.

I never really thought about it like that.

I'd always just thought about it as something really annoying for your partner, which obviously it is, and not being able to sleep well because your partner is snoring is one of those things that drives you mad.

But you're saying actually for myself as well, breathing is important.

So if I am snoring, it's a sign that I'm struggling in some way.

And you're also saying that because of the change in sort of the food lifestyle,

that we eat, that my muscles in my mouth and tongue are just much less developed because we used to eat all sorts of hard and chewy things you dug up from the ground, not ultra-processed sort of baby food type stuff.

So basically, I've just got all of this soft tissue, and in the past, it would have just been much stronger.

I made the joke about the abs on my tongue, but you're saying it really would have...

It really is a difference.

I just sort of am flabby where I would have been sort of muscled in the past.

I understand your explanation for all of this shift in terms of sort of how we live and how we eat, except about the mouth size.

Do we know why our mouth is smaller than it was?

So you're saying that if I'm having to chew really hard, then actually my mouth, like the skull itself, gets bigger as a result of eating?

And so if I was eating hard food that I need to really chew to get the sustenance out of, then all of that exercise, it's not just the muscles we were talking about before, but actually sort of the bone itself ends up being bigger.

The shape of my jaw is bigger.

I remember somebody telling me that the bread...

that people were eating in like the French Revolution.

Like if we fit into it now, you'd like lose a tooth because it was so hard and chewy.