I ,my wife and pikin stay at the last floor of a building of two flats.We stay in one flat while my co-tenant stay in another flat with his brothers.We all share a common entrance gate into the flat.One of the man(about 30yrs old) that stays with my co-tenant is not doing any work,while I and his brothers will leave early morning and come back late evening or night,he stays idle in the house from morning till night day by day like my wife who is also not doing anything(working),or simply put,when everybody leaves for work in the whole flats,he and my wife are the only people that are left behind in the two flats day by day,though we dont share anything like toilet,bathroom in common,its only the flat entrance gate.I begin to reason can this lead to another(messing up together),i am not saying that i dont trust my wife but the saying that an idle mind is a devils workshop makes me to think otherwise.Pls advise and how will i know is such is going on?

there is only one solution to your problem: TIE YOUR WIFE TO THE BED POST AND LOCK THE DOOR SHUT TIGHT as you leave in the morning.......NONSENSE!!!!

Stop putting ideas in your head Mr man. If you are so bent of satisfying your curiosity, then go get security camera and put it in strategic places around the house.

Really? Then move out of the apartment. Or is that the only flat in Nigeria?