Usually, sexual enthusiasm of a woman which has age above 30 years old cannot be expected to be smouldering, sometimes it will gloomy along with her age increasing.
Especially woman with double jobs, at morning she has to take care of children before go to school and her husband before go to work, after back from her office she has to lulling her child. With that condition make woman lose a lot of energy, that for she will feel lazy to make love. Many other factors will be the cause woman sexual enthusiasms turn down, but the most important thing is always be patience.
The point is if sexual enthusiasm going down, then do not let it happen continuously. At the beginning many man out there think this is just a little conflict in a family and they always think this is not an important matter to talk about or may be they are shy to talk about. If a man don’t take action then one day it will be very bad to your relationship, at the end it will be one of the cause people get divorce.
The way you control you emotion, is the way you control your live. When this problem appear in our family the best way we can do is overcoming of it by conversing from heart to heart, hear what was her constraint that make her act like that and tell her what you feel. There will be no good relationship, if one of you gets passive.