I've always been curious, because I'm not fond of underwear, but I don't know how people make it work. Wouldn't you have to wash the trousers every single day? How else would you keep them fresh? Do you use special deodorant for the area or panty liners on the trousers?
Tell your story.
Cheap single ply gets crumpled but the normal multi-ply TP gets folded nicely.