An obviously useful phrase for which we can thank Shakira, is "Dónde están los ladrones" .... it also remind you that ladron is masculine, which is both useful and rather unfair, though I suppose most thieves are male. Very handy when your purse or passport get nicked.
That would also be handy down at the hospital, as would another of hers, "Ojos asi" , "No creo" ,and at the chemist for the morning-after pill, "Un poco de amor" and of course "Inevitable "would be spot on And if it worked, you could pop in next week with the very useful "Grandes Exitos" . ... to which " Suerte" might be an appropriate response.
Mind you, when she gets the builders in, " ¡ No !" would probably be a good starting phrase, and "La Pared" would be " imprescindible ". Also, he probably wouldn't come back to finish the job until un " día de Enero" if he's anything like a normal builder.