The prostate is an exocrine gland of the male mammalian reproductive system. Its main function is to store and secrete a clear, slightly basic fluid that constitutes up to one-third of the volume of semen.

then….if this has an inflammation, he must have some problems trying to go and pee……because the prostate urethra is blocked

I don’t know what it has to do with losing weight, but he must have an exocrine problems with the prostate and its gland tissue that regulates how much fluid he is about to secrete