It seems taht you are mad at your in law. That is not good. Everybody ahs a different opinion. And it could be best if you respected that. The same way taht you feel surrogacy is the answer to your problem. Then it could be best taht you let her. I understand taht she is acting rude. But returning the same attitude to her will not help. Rather focus on being good. Try to explain to her the benefits. That you do not have any other option. And taht if she really wants a grand child then she should let you do what you want. It will be for the benefit of everyone in the family. It could have been best if you had a friend that went through the same. So taht she can explain it to her first hand. All in all, I wish you the best inn how you will make her respect your opinion.