How might optimization be expressed in older adults' sexual activity?

Optimization refers to the activity of making the most or best efficient use of a resource of situation. Optimization suggests that it is probable to sustain performance in some areas via spontaneous practice and the application of new technology.  

The older adults get involved in numerous sexual activities, companionship is essential to age individuals. The optimization in older adults’ sexual activity can be expressed by getting involved in more kissing, cuddling, and fantasizing in comparison to intercourse for satisfying the sexual activity.  

both male and female gametes are produced by meiosis of the germ cells. therefore, both male and female gametes are haploid. one male and one female gamete unite during the fertilization to form the diploid zygote. in seed bearing plants, pollen grain is the male gametophyte, which produces sperm cells.