small cocks calculated

Your girl was curious so she looked up how long the rectum is and apparently they are between 5-8 inches, sources vary. Basically, unless that lightsaber reaches the sigmoid colon, that baby is likely at best 8 inches. At worst a smol 5 inch cock.

So next time you read a yaoi, take note where that lightsaber pokes (●'◡'●)ﾉ