Dog sex

I love watching woman having sex with male dog or man having sex with female dog. I don't think this is normal? Sometimes I masturbates while watching dvd/online. I regrets that I didn't have sex with female dog, I have an opportunity few times but I couldn't do it. I was afraid, but I was so horny, I think dog too, I could see the sign of the heat, wet pussy, swelling of her vulva...hmmm I getting a hard on just thinking of it :).