Doing the right thing is often the hard thing. A fellow PI I know, Larry Kaye, likes to close his YT videos with, "Do the right thing even if it's the hard thing."
Relationships take a lot of work, and they are sometimes very difficult. Strong people will make them work though. They will stay committed to each other and do the right thing.
It is also part of the warrior's code. They keep their word and are honorable.