Man Thinks his wife has a lover – a florist

Bob – I think my wife has a lover – a florist.

Andy – How do you know?

Bob – When I returned home after work, I found freshly gathered roses on the bed.

Andy – Well, and I think my wife has a lover – a plumber.

Bob – How do you know?
Andy – When I returned home after work, I found a plumber, lying on the bed.