I don’t believe marriages were intended to work on behalf of one individual per se. Marriage is a bond of two individuals who are supposed to love one another like Christ loves the church. If you are not in love with your husband you are not only hurting him but also yourself and children if children are involved.
Have you prayed and asked God to restore the love that you once felt, have you traced back to what may have caused this so the two of you could work together on resolving that issue?
Marriages are meant to be beautiful example of God's love to give Him glory. I would ask that you open your heart to have the desire to make your marriage work for the sake of love, your marriage, and your husband. Ask God to speak to your heart. Only God can open your eyes to see the next step in your union.