There are so many numerous reasons why women loose sexual desire. It usually occurs after kids and its not about hormones. it is a combination of fatigue, dislike of her body, distance from her own body, a great need to claim time for herself,a lone without anyone else invading her body. Most importantly is her relationship to you.. find out from her how she feels about you: are you helping around the house enough?? Are you well groomed enough for her? Is your sexual technique good enough for her? And you can't make her want sex - this is something she has to find within herself once she is she has a good relationship with you.