Just rugi a bit, give them back all the deposit and invite them away.
The so call husband big chances will come up to the unit and request for things from the wife. Anything they 2 cant settle, then will involve u, u lagi headache.
Get back ur nice & still new unit before it become a haunted unit (not necesary some one die inside, even if whatsoever unhappy things happen, ppl will consider it as so)