Impossible to study them.
After 30 years of marriage a wife asked her husband to describe her.
He looked at her slowly and then said:
"What does that mean?" she asked.
"Adorable, Beautiful, Cute, Delightful, Elegant, Foxy, Gorgeous and Hot" he replied.
She smiled happily and then asked,
"What about I-J-K?"
He replied, "I'm Just Kidding!"