don't ya know the cardinal rule, or, the, hmm, the rule, anyway, ya never rat on yer 'brother.'
------------
That awkward moment when you go to pee in the toilet and a girl walks through the bathroom door and then another and another...... Yer in the wrong bathroom !!! True story
Probably more than once too, sometimes when ya gotta go you don't pay attention to things so well, like signs on doors and, addmittedly, can't we agree,
sometimes the signs on doors are tricky or not well 'lit' so to speak