If she wants to keep the house clean, she can nudge others to do their jobs. without asking anyone, doing these chores by herself sounds like an OCD / trust-issues bad behavior. "naan dhaan pannanum, naan panninaa dhaan suthama irukkum, " this is her thought process nu thonudhu. in one of the prev episodes She says plates need to be clean, it should not have residual smell, raju does not know how to wash plates. therila na solli kudukanum.