Abnormally high levels of sex hormones cause brain and adrenal glands to perform excessive dopamine-norepinephrine-epinephrine conversion. In other words: there is a big change of body chemistry when man or woman practices over-masturbation.
Pineappleitis: Pineapple commonly causes minor skin irritation because it's highly acidic. It's common for your tongue to feel gritty, itchy and mildly painful after eating pineapple. If you develop severe pain, itching, burning or swelling in your tongue from eating pineapple, you should talk with your doctor.
There is a condition that can cause your mouth to burn for no apparent reason. Burning mouth syndrome, or burning tongue syndrome, is an annoyingly painful problem that may have you feeling a scalding sensation without a source for its cause. This painful burning sensation may linger for a long time, be constant or come and go. In many cases, the burning builds during the day and dies down at night.