
specifics and timeframes. "hey will you clean the [bathroom/shower/sink] this week/end please?" if the week/end comes without her cleaning you can follow up with something like "i was wondering if you were still going to clean the [thing] this week/end?" if there's resistance, "i can't keep taking care of it without help. it's not fair to me" and be prepared to be like "ok, we'll just let it go" and... let it go... until it's so bad she's compelled to clean it