My mother-in-law and I have never been friends, our relationship has been rocky right from the time my husband took me to her and told her I was the one he wanted to marry. Her reason for not liking me was that I was too skinny! Is it my fault that i'm skinny, meanwhile that is part of the many reasons why my husband married me o. During Christmas, my husband decided that he wants me and his mother to get along, so he took the children and I for holidays at his moms. On getting there, she gave me the look as usual but welcomed the kids well. I greeted her and gave her the gifts we brought for her. 2 days later, she started acting nice to me as if she was going to die the following day, I didn't even want to believe she could be nice to me. She later came to meet me, she said she wanted to introduce me to a friend of hers, I said no problem only for me too meet the friend and he was a man, almost the same age as my husband. I greeted him and tried to enter the house but before i could, my MIL left me talking to the man and i didn't want to be rude so that it doesn't look like i was walking out on him. 
I got talking to the man and i realized we went to the same secondary school. we were catching up on old times talking about some people in the school and some of the school activities that we got carried with time. While all this was going on, my kids had gone to the movies with their uncle and I didn't know my MIL had stepped out as well leaving only me and the man in the house talking. My husband came home with his mother and he had this strange look in his eyes. He left immediately without saying a word. I don't know what his mother told him but he has been acting up since since then. He didn't even come to pick the kids and up, we had to take a cab home. 
I have tried explaining to him severally but he only sits there saying nothing. I'm confused, please did I do anything wrong? how can i restore my home please?