Why oh why do passengers on the train ask me for a plastic cup to put their teabag in? Surely the could just put it in the bin, or leave it on the lid that comes with the paper cup? Or, if you squeeze it out you could even leave it on the serviette! It’s bad enough using the plastic cup for the use it was intended, but to use it just because you can’t be bothered to deal with a teabag is shocking. So, AIBU to refuse them a cup?