Water in dreams is generally thought to be about "emotions" and the subconscious, etc. I was in a submarine in a water-filled, indoor, parking garage once, with bubbles like a bubble bath Have you all been discussing your relationship or have you been thinking she has a problem, depression or something, and feeling helpless about helping her with it? Does she want to talk and you don't or has she asked for something you can't give her, etc.?