Have you talked to him about your concerns? His mother might be important, but he did marry /you/. At that moment, you became number one in his life, as much as your mother-in-law might despise that fact. I suggest talking to him first and feeling out what's going on in his head, but try not to accuse him of anything--the conversation deteriorating into an argument won't get either of you anywhere. One approach might be to tell him that you don't feel as if you spend enough time together as a couple, and go from there. The cause is the mother-in-law and your husband's actions as regrds her, but the problem is that you're being pushed out of the picture. One way or another, your husband has to be made aware of that.