WHAT IS A FETISH?

I get a lot of email from bbw lover's and try to answer most. This time I'm going to get your opinion before I respond back to the letter below.

Hello Gayle,
I have a fetish for giant rear ends. I love a woman with a big booty.
A massive butt that has to turn sideways to get through a door will
make my manhood hard as a rock. My ex girlfriend has a butt so big that when she turns the corner it's still running to catch up. My
problem is that my third leg can't get hard enough to sex a woman unless her rear end is in the vicinity of three hundred and four hundred pounds. I had a fine big woman over for dinner last night. She smelled good and tasted good. She was a sex maniac
willing to give it to me anyway I wanted. I really liked this chick, but when I turned her over for doggy style her lack of a plump bumper turned me off. Don't get me wrong she was holding about two hundred and forty five pounds, but her booty just didn't stick up and out. Well to make a long letter longer, I couldn't get my pride and joy to rise up and salute the beautiful fat butt in front of
me. I was limp as soggy spaghetti, but needed to satisfy the woman in my bed. That night I ate pie like it was my last meal. The woman climaxed so hard that she thankfully fell asleep. I was bothered by the episode and decided to conduct a science experiment. I knew my ex girlfriend holding three hundred and ten pounds of boulder booty still had feelings for me, so like a man on a mission I played nice until she was in my bed. The minute her panties came off my body jumped into hard action. I blew the biggest load of seed to ever, ever, ever come out of a man that night! Well I figured the limpJohnson night was a fluke and went back to dating.  Amazingly I found out that if the woman doesn't weigh up I can't get it up. 
Do I have a fetish?
Peter,
Maryland

LETS TALK ABOUT THIS ON MAY 16TH!