Smiling is infectious, You catch it like the flu.

When someone smiled at me today, I started smiling too.

I walked around the corner And someone saw me grin

And when he smiled I realised I'd passed it on to him

And when he smiled I realised I'd passed it on to him.

I thought about the smile And realised it's worth.

A single smile like mine Could travel round the earth.

So if you feel a smile begin, Don't leave it undetected

Just start an epidemic  And get the world infected.

So if you feel a smile begin, Just get the world infected.

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