Most marriages are break up due to a struggle for power between the couple; your husband wants to be in control but his behaviour does not leave much to be desired any start to feel he is dragging you down also.
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A wise woman empowers her husband by accepting his leadership first and foremost and gradually helps him to discover his weaknesses and recover the hopes of his failed childhood years.
However, if you have done all in your own capacity to help and support your husband and it is not yielding any positive result, do not cover up his behaviour, speak to trusted family members and get them to intervene or get professional help for him. R