For premature ejaculation, generic selective serotonin reuptake inhibitors (SSRIs) like daily paroxetine or on-demand dapoxetine, alongside topical anaesthetics like lidocaine cream, are highly effective. The bladder pressure you feel near water suggests a sensory reflex or a mild overactive bladder. This is commonly managed with bladder training or generic medications like solifenacin. While there is rarely a single 'permanent' cure, these symptoms are highly manageable. I recommend consulting a urologist to rule out urinary tract infections or prostate inflammation and to safely tailor a treatment plan for you.