@Tintin18 sorry to hear he's still struggling with wetting his pants. But that's actually not that uncommon for kids his age. I think you mentioned you have a small and overactive bladder yourself. So it was very kind of you to help him wash his pants after he has an accident. Maybe it's not a bad idea for him to wear protection. Especially if, on occasion, you do your brotherly Duty and attack him in a tickle fight. I've known several kids for whom that produces quite a flood.