 [ Symptoms ] i have a fissured tongue… went to my local doctor…he dismissed me [ Disease ] hi after trying very hard to find any kind of got info for you i have two links sorry ok not a doctor but have you thought of getting him a sperm test done it could be a good place to start i know diabetes really mucks up a guys sex life lots of trouble with ed just for starters but have a read through these two links could be something or nothing <link> <link> just copy each link into google one at a time to open and read do hope you find some help good luck