You get married obviously that will give you some very common and very important responsibility to your spouse. You can’t ignore your responsibility if you just don’t want to. This is something that your spouse gets by default from you and you can expect same from them also.
No matter what your other relative or family member things or give you bad advice about them, you have to take good care of your spouse. And try to have good behavior and relation with them. Coz of your family members opinion you can’t make bad impression on them. You have to remember that you bring them into your life not to give pain but to give a very good care. Here your other family members don’t have any responsibility on them. It’s only you, who can bring happiness in their life. And no matter how much it cost, you have to.