The relationship between my wife and my father is very subtle, giving the feeling of ambiguity, how to deal with more appropriate?

This situation, may as well ask directly, because you have found, and in your mind there is an infinite number of question marks, if you do not ask the relationship between you will embark on the deterioration of, and your own heart is not good, you can try to ask: pro, you and my father's relationship is good, yo, like a couple, it seems that you are his lover in a previous life ha, and then just look at her reaction