You may make things in your life to know more people, for example, being a vounteer (To help inmigrants, or other things, the Red Cross have lots of things like that) You´ll feel proud of yourself and you will know more people with problems.
Please, remember all the humans are the same and all of us feel the same things, If you don´t forget that, and if you see the others as if you would see yourself in a mirror, you´ll feel much better and the others will acept to be your friends.
Having a husband is not essential in life, if you have a dog (For example) and you take care of it all its life, you will feel you are with a friend, (and you´ll meet the people from your area who have dogs) Having a dog is a great theraphy