The thing that came to me immediately was that a person wants to feel safe to open themselves up to revealing withheld things. Sometimes it’s necessary to create a “safe space” in your relationship. Emotionally open relationships require open-hearted souls who wish to be vulnerable, knowing that they are safe to be so.
Discover if your desire to know what is hidden is only from a selfish standpoint or if you truly want to accept and embrace more intimacy between you. Relationship is the most beautiful and can be the most challenging life path to walk, but if used consciously it can be the most blessed way to become more of the beingness you both are.
Check out the new release of Shamanic Rites. There might be something there that will help you. Also, dependent upon your goals, there might be better solutions. Share more with us if you would like.