{Photos} See the Woman who Hasn't Smiled in 40 years

Tess, 50, who sits stony-faced while her friends giggle around her. Not even a flicker of a smile, let alone a laugh, escapes her lips.Tess isn’t devoid of humour, but for nearly 40 years she has made a conscious decision not to laugh or smile — even at the birth of her daughter.

 

This is because Tess says that maintaining a perennial poker face is a crucial way to keeping her — admittedly, impressive — youthful looks.