What to do about husbands need to please his family to the detriment of our relationship?

I'm unfamiliar with Lebanese culture but if his behavior is normal and expected there won't be a lot you can do to change it immediately. You should sit down with him and discuss your concerns and ask if there is a point when your family's wants and desires will be in the forefront. But you should be prepared to be looked at as the villain if everyone else is enjoying the things as they are and you are the odd woman out.