I assumed you were a man. In which case I would 100% definitely say......the answer is in the first line......his-wife-is-the-receptionist. Don't make a fool of yourself. But then I wondered if you were a woman and wanted her, genuinely, to meet up as a friend.....in which case, I would tread carefully here. I might make a very light....."fancy going for a coffee sometime?" and gauge the response, but probably at the end of my treatment, not during it. Then if you don't get on and never meet again, there wouldn't be any awkward moments. Nothing ventured.....nothing lost. If you are gay, then again, I would go back to the first line.....she is the wife of.....