Yes, it does. Or it wouldn't exist as promenently and persistently as it has, in such distinctly variant patterns, in so many mammalian species.
Anal-genital contact, annilungus, and oral sodomy .NE. fertilization.
Do you even know the meaning of the word "propagate"? Try Wikipedia.
The very point of my argument was that sexual behavior only needs to be advantageous to be sustained in the gene pool. Fertilization isn't the only way a behavior can be advantageous.
Do you even know the meaning of the word "propagate"? Try Wikipedia.
Do you even know the meaning of the word "responsive"? Try a dictionary.