I'm going to try my best. But how? And would it be a waste of time anyway?

trying to make your family happy again is not a mistake, more power to you!! but do talk to her first, and find out if she still loves you, if so, fight for your happiness, if not move on, a marriage without love is bound to end in failure. More man should be like you, not willing to give up and run from their family for situations that could be solved, with love, communication, understanding. IF she loves you she will come around maybe she is dealing with some issues, she is ashamed of telling you, but in order to find out you need to talk to her. good luck!!