In Part One, Doctor Shayla's Perfect Life Went a Little Crazy. Now It's Her Turn.. Dr. Mary Jasper, noted sexual psychologist, and world-famous author, had it all. As in the whole enchilada. Then she lost it. Then she got it back. That was part 1.. Now she found that she doesn't even want it anymore, and she's throwing it all away for a tawdry life of sex and cheap thrills.. All she needed was a taste of her own medicine..