Thanks all. Can I just add it's not a permanent shape change. The diameter of the base of my penis returns to normal after a day or two.

My wife became vegetarian during this past year while we have been practicing anal only.
We noticed an improvement in cleanliness and regularity in her BM.

Hi, I am Richard from the UK and fairly new to the forum. Hello all! Myself and my wife have been anal only for about one year. I have noticed that my penis has become narrower at its base because of the relative tightness of my wife's bum compared to her vagina. It's not a problem, just an observat...