Okay, not literally! By this we mean that he comprehends your thoughts and feelings, and often even completes your sentences! When the attraction grows to a point that being together becomes a habit, he would know your innermost feelings no matter how much you try to hide them. This isn't just “mush talk” but a fact supported by researchers who believe that this connection is at par with what a child has with his mother. He will intuitively know if you are feeling low or excited or happy. If that is the case, then it suggests that you both have achieved a level of understanding that is possible only after a strong emotional commitment.