Complex sentence: "Baby-heads" have their own subculture and bars, and can drink alcohol, while it is not considered bestiality when one has a sexual relationship with an evolved animal in this world, and humans may also adopt younger evolved animals.
Split into simpler sentences: Baby-heads have their own subculture and bars, and can drink alcohol. It is not considered bestiality when one has a sexual relationship with an evolved animal in this world, and humans may also adopt younger evolved animals.