Know your orifice aperture and diaphragm science...
orgASMic, congratulations on becoming aware of the unfortunate error of your ways - and for forsaking the vile, unnatural practices to which you fell foul throughout the past 11 years.....
Now that you've cleansed yourself of such abominations, you will once again feel able to enjoy normal life properly.
Without the need to study anal dilation or whatever other dubious nonsense of
gas-faggotry 'science' CoffmanStarter might propose....