First of all before you start to treat the loss of Libido in your relationship you must know the roll of your sexual desire. If you are a man, then your sexual desire of libido is the sexual passion of wanting to give or release your sperm into your spouse (wife).

But if you are a woman, then your sexual desire (libido) is the passion of wanting to receive. (The man is a giver, and the woman is the receiver).

It is very common that always the giver (the man) wants to give, while the receiver (the woman) is not in the mood to receive. 

Loss of libido is mostly a common thing among women, due to the negative experiences of sexual abuse, rape, child molest etc that women go through.

A woman who has been sexually abused retains the negative experiences in her
Part of the brain called Hippocumpus, which can lead to lack of sexual interest, the closing up her emotions towards sexual activities, etc. 

Most of the women who have lost their virginity through sexual relationships that have abused, raped and cheated on them can become victims to loss of libido (loss of sexual interest with their spouse, which can make a woman to have lead to 

In such cases the man in the relationship must work a lot on his character on how he treats his wife. Sitting down with your spouse and allowing her to share her sexual negative experiences that she has gone through is very important.

The man must be able to win the woman’s trust by showing her that is not a copy or an extension of those men that abused and mistreated her sexually in her past.

Both; the husband and wife must involve their creative thinking in the discovery of finding out ways on how to sexually please and arouse each other.

The man must be willing to allow the woman to share with her own words the things that turns her on, and the woman must also be in a position of being able to adorn herself, so that she may appear sexually attractive to her spouse.