how do you deal with husband who keep moaning all the time?

Find out what is bothering your husband. May be your husband is going through depression or some problem which he might not be discussing with you. May be, he is little insecure about his future or about his job. There must be something that is bothering him, else I do not think a happy person would moan al the time. Talk to him, take him in confidence and figure out what is the problem. May be, he is not talking to you because he fears your reaction. He thinks that you will not support him. So, do not act the way he is anticipating. Support him and help him sail out of the problem.