8 XXX : uphisbutt

You have a second sphincter going into your sigmoid colon that you are hitting. Just like with your rectal sphincter, or butt hole you have to train it and work on bypassing it. It can be uncomfortable but it just takes time, practice, and progression. Start out small diameter toys and work your way up.
Where does it even go, your gut? Mine hits a wall and hurts to go further
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