Why Is This Woman Smiling

Exposure Date: 2011:06:01 11:32:23;
ImageDescription: SONY DSC;
Copyright: 2011 "Gunga" Jim Downs;
Make: SONY;
Model: DSLR-A350;
ExposureTime: 1/80 s;
FNumber: f/8;
ISOSpeedRatings: 400;
ExposureProgram: Aperture priority;
ExposureBiasValue: 0;
MeteringMode: Pattern;
Flash: Flash did not fire, compulsory flash mode;
FocalLength: 100 mm;
Software: Adobe Photoshop Lightroom 3.6 (Windows);