The a major cause of a ‘weak bladder’ outside of prostate issues is urge incontinence, that is, just paying way too much attention to the sensation of needing to urinate and so having increased frequency due to that. In order to overcome this, it’s essentially training yourself to push longer and longer in order to reset your sensitisation.
Of course, obvious disclaimer that I have no idea if this applies to you and your situation, but something to consider if you haven’t had this investigated. But keto with increased hydration could have inadvertently sent you this way
I once talked to a physical therapist who specializes in pelvic floor muscles who basically says the same thing you did. Exercising the pelvic floor muscles will help, but changing the mindset helps even more.
Of course, obvious disclaimer that I have no idea if this applies to you and your situation, but something to consider if you haven’t had this investigated. But keto with increased hydration could have inadvertently sent you this way