Tails are often cuddly, and more times than one appealing to most, because it resembles an animal companion like a Dog, Wolf, Fox, Coyote, ect. It's understandable to like tails.
"Dogs don't typically like their tails being touched and stroked. Not only is it very sensitive, but it can also be somewhere that dogs get pulled on, and being connected to their back is very painful."
So... I guess I have an obsession with animal tails, like fluffy, or long... generaly any type of animal tail. like...that's literally what I like, I don't know why, It might be because I like nice arses, but... I don't know