On this IMDbrief, we break down the worst gifts ever given in our favorite holiday movies. Watch now. Andy works in the night-shift making copies of videotape. His best friend Lou got the job for him, and asks Andy to make nine copies of a porn video.
NCBI Bookshelf. The initiation of sexual intercourse is an important topic in the study and prediction of fertility. In their theoretical analysis of fertility and its determinants, Davis and Blake argued that socioeconomic and other factors affect fertility only through its proximate determinants, that is, through exposure to sexual intercourse, exposure to conception, given intercourse, and gestation and successful parturition, given conception. Since under all but exceptional circumstances, conception does not occur without it, sexual intercourse is the first of these proximate factors to be examined.
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