Life's up and downs provide windows of opportunity to determine your values and goals. Think of using all obstacles as stepping stones to build the life you want. ↗
You just have to trust your instincts and hope that if someone doesn't like your idea, you can prove them wrong in the final process. In the end, you can please some of the people some of the time, but that's about all you can do. ↗
For example, one way of giving yourself a strong incentive to reach your goal is to commit to pay money to someone if you fail. Better yet, you can specify that you will have to pay a certain sum to a cause that you detest. ↗
If you're buying animal products and can go to the farm and actually see how the animals are looked after, yes, that's an important point. That's definitely the best way of assuring yourself that the animals are being well treated. ↗
So I think ethics is the broader thing that's less focused on prohibitions and is more perhaps looking at principles and questions and ideas about how to live your life. ↗