Is it correct to say or can it be rephrased and what does it mean? “How am I a wife to a supposed guy and I’m completely unaware of it?

The sentence you provided can be rephrased for clarity. Here are a couple of options: 1. "How am I considered a wife to someone I supposedly don't know about?" 2. "How can I be a wife to a man I’m unaware of?" The meaning of this statement generally expresses confusion or disbelief. It suggests that the speaker is questioning how they can hold the title or role of a "wife" when they have no knowledge of the person they are supposedly married to. It implies feelings of surprise, disorientation, or a lack of information regarding their relationship status.