yes of course - talking to them would help - and i have done that in the past..many many times..and i never have given them ''instructions'' to do anything.. i feel it is mostly common sense, manners ...
anyone thats lived in a shared house, or uni halls etc will know what a pain in the arse it is when ppl dont clean up after themselves..
im currently living with 2 other ppl who i have been friends w ...