Indirectly related, if you have some time to spare follow Harvard's course in ethics! [1]
Here is why: while it didn't teach me anything new (in a sense), it did give me a vocabulary to better articulate myself. Having new words to describe certain ideas means you have more analytical tools at your disposal. So you'll be able to examine your own ethical stance better.
It takes some time, but instead of watching Netflix (if that's a thing you do), watch this instead! Although, The Good Place is a pretty good Netflix show sprinkling some basic ethics in there.